Kostin Andrew Borisovich

Publications in Math-Net.Ru

1. Integral representations for the argument of the gamma function of a complex variable
   
   Dokl. RAN. Math. Inf. Proc. Upr., 524 (2025),  19–24
2. An analytical formula for the argument of the gamma function as a complex quantity
   
   Mat. Zametki, 118:5 (2025),  748–763
3. Asymptotic Formulas for Sequences Arising in the Problem of Approximating the Euler Number
   
   Mat. Zametki, 118:4 (2025),  529–543
4. On limit cycles of autonomous systems
   
   CMFD, 70:1 (2024),  77–98
5. Enveloping of the Values of an Analytic Function Related to the Number $e$
   
   Mat. Zametki, 113:3 (2023),  374–391
6. On Taylor coefficients of analytic function related with Euler number
   
   Ufimsk. Mat. Zh., 14:3 (2022),  74–89
7. Integral representations of quantities associated with Gamma function
   
   Ufimsk. Mat. Zh., 13:4 (2021),  51–64
8. Criteria of the uniqueness of solutions and well-posedness of inverse source problems
   
   Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 133 (2017),  81–119
9. Inverse source and inverse coefficients problems for elliptic and parabolic equations in Hölder and Sobolev spaces
   
   Sib. J. Pure and Appl. Math., 17:3 (2017),  67–85
10. Recovery of the coefficient of $u_t$ in the heat equation from a condition of nonlocal observation in time
    
    Zh. Vychisl. Mat. Mat. Fiz., 55:1 (2015),  89–104
11. Counterexamples in inverse problems for parabolic, elliptic, and hyperbolic equations
    
    Zh. Vychisl. Mat. Mat. Fiz., 54:5 (2014),  779–792
12. The inverse problem of recovering the source in a parabolic equation under a condition of nonlocal observation
    
    Mat. Sb., 204:10 (2013),  3–46
13. On some problems of the reconstruction of a boundary condition for a parabolic equation. II
    
    Differ. Uravn., 32:11 (1996),  1519–1528
14. On some problem of the reconstruction of a boundary condition for a parabolic equation. I
    
    Differ. Uravn., 32:1 (1996),  107–116
15. Stability of solutions of inverse coefficient problems for parabolic equations
    
    Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 1995, no. 6,  62–64
16. Estimation of the spectral radius of an operator and the solvability of inverse problems for evolution equations
    
    Mat. Zametki, 53:1 (1993),  89–94
17. On inverse problems of determining a coefficient in a parabolic equation. II
    
    Sibirsk. Mat. Zh., 34:5 (1993),  147–162
18. On certain inverse problems for parabolic equations with final and integral observation
    
    Mat. Sb., 183:4 (1992),  49–68
19. Inverse problems of determining the coefficient in a parabolic equation. I
    
    Sibirsk. Mat. Zh., 33:3 (1992),  146–155