Efimov Aleksandr Vasil'evich

Publications in Math-Net.Ru

1. Some Properties of Multiplicative Orthonormal Systems Applied in Digital Signal Processing
   
   Trudy Mat. Inst. Steklova, 219 (1997),  137–182
2. A bound on Fourier coefficients according to the Chrestenson–Levy system in ag-locally integral metric
   
   Mat. Zametki, 48:4 (1990),  29–36
3. On the application of multiplicative systems in numerical information processing
   
   Trudy Mat. Inst. Steklov., 180 (1987),  112–113
4. The multiplicative Fourier integral and some of its applications
   
   Dokl. Akad. Nauk SSSR, 242:3 (1978),  517–520
5. The approximation of conjugate functions by conjugate interpolating sums
   
   Mat. Zametki, 20:3 (1976),  425–432
6. A continuous analog of periodic multiplicative orthonormal systems
   
   Dokl. Akad. Nauk SSSR, 218:2 (1974),  268–271
7. $J$-expanding mtrix functions and their role in the analytical theory of electrical circuits
   
   Uspekhi Mat. Nauk, 28:1(169) (1973),  65–130
8. A note on a theorem of Sunouchi
   
   Mat. Zametki, 12:6 (1972),  665–670
9. On the rate of summability of orthogonal series
   
   Izv. Akad. Nauk SSSR Ser. Mat., 35:6 (1971),  1389–1408
10. On upper bounds of Fourier–Walsh coefficients
    
    Mat. Zametki, 6:6 (1969),  725–736
11. Some estimates of the rate of summability of orthogonal series by linear means
    
    Mat. Zametki, 4:3 (1968),  261–268
12. Generalization of a theorem of Kaczmarz
    
    Mat. Zametki, 1:4 (1967),  399–404
13. Summation of orthogonal series by linear methods
    
    Uspekhi Mat. Nauk, 22:2(134) (1967),  119–124
14. Best approximations of classes of periodic functions by trigonometric polynomials
    
    Izv. Akad. Nauk SSSR Ser. Mat., 30:5 (1966),  1163–1178
15. On certain approximation properties of periodic multiplicative orthonormal systems
    
    Mat. Sb. (N.S.), 69(111):3 (1966),  354–370
16. On nonsummability of orthogonal series by linear methods
    
    Dokl. Akad. Nauk SSSR, 152:1 (1963),  31–34
17. The de la Vallee Poussin summability of orthogonal series
    
    Izv. Akad. Nauk SSSR Ser. Mat., 27:4 (1963),  831–842
18. Linear methods of approximating continuous periodic functions
    
    Mat. Sb. (N.S.), 54(96):1 (1961),  51–90
19. Linear methods of approximating certain classes of continuous periodic functions
    
    Trudy Mat. Inst. Steklov., 62 (1961),  3–47
20. On linear methods of summation of Fourier series of periodic functions
    
    Dokl. Akad. Nauk SSSR, 131:2 (1960),  234–237
21. On linear summability methods for Fourier series
    
    Izv. Akad. Nauk SSSR Ser. Mat., 24:5 (1960),  743–756
22. Approximation of periodic functions by de La Vallée Poussin sums. II
    
    Izv. Akad. Nauk SSSR Ser. Mat., 24:3 (1960),  431–468
23. Approximation of continuous periodic functions by Fourier sums
    
    Izv. Akad. Nauk SSSR Ser. Mat., 24:2 (1960),  243–296
24. Estimate of integral of modulus of polynomial on the unit circle
    
    Uspekhi Mat. Nauk, 15:4(94) (1960),  215–218
25. Approximation of periodic functions by de La Vallée-Poussin sums
    
    Izv. Akad. Nauk SSSR Ser. Mat., 23:5 (1959),  737–770
26. Approximation of functions with given modulus of continuity by Fourier sums
    
    Izv. Akad. Nauk SSSR Ser. Mat., 23:1 (1959),  115–134
27. Approximation of conjugate functions by Fejér sums
    
    Uspekhi Mat. Nauk, 14:1(85) (1959),  183–188
28. On approximation of certain classes of continuous functions by Fourier sums and by Féjer sums
    
    Izv. Akad. Nauk SSSR Ser. Mat., 22:1 (1958),  81–116
29. Approximation of certain classes of continuous functions by Fourier sums and Fejer means
    
    Dokl. Akad. Nauk SSSR, 114:5 (1957),  930–933
30. Estimation of the modulus of continuity of functions of class $\widetilde H^1_2$
    
    Izv. Akad. Nauk SSSR Ser. Mat., 21:2 (1957),  283–288
31. On the Fourier coefficients of functions of class $\widetilde H^1_2$
    
    Uspekhi Mat. Nauk, 12:3(75) (1957),  303–311