Popivanov Petar R

Publications in Math-Net.Ru

1. Solvability of the degenerate complex Monge–Ampère equation
   
   Dokl. Akad. Nauk SSSR, 301:6 (1988),  1317–1320
2. Microlocal properties of the problem with a singular oblique derivative in a neighbourhood of diffractive points
   
   Uspekhi Mat. Nauk, 41:1(247) (1986),  179–180
3. Hypoellipticity of differential operators in the class of generalized periodic functions
   
   Dokl. Akad. Nauk SSSR, 266:3 (1982),  565–568
4. Local properties of pseudodifferential operators with double involutive characteristics
   
   Uspekhi Mat. Nauk, 33:4(202) (1978),  223–224
5. Local solvability of pseudodifferential operators with characteristics of second multiplicity
   
   Mat. Sb. (N.S.), 100(142):2(6) (1976),  217–241
6. The local solvability of pseudodifferential equations wtih double characteristics
   
   Uspekhi Mat. Nauk, 29:5(179) (1974),  233–234
7. Equations of principal type witgout solution
   
   Uspekhi Mat. Nauk, 29:2(176) (1974),  172–189
8. The solvability and hypoellipticity of differential equations
   
   Uspekhi Mat. Nauk, 29:1(175) (1974),  185–186
9. A class of pseudodifferential equations of principal type having no solutions
   
   Dokl. Akad. Nauk SSSR, 209:4 (1973),  775–777