Voir la notice de l'article provenant de la source Math-Net.Ru
[1] Sakhnovich L. A., “O privedenii volterrovykh operatorov k prosteishemu vidu i obratnykh zadachakh”, Izv. AN SSSR. Ser. matem., 21:2 (1957), 235–262 | MR
[2] Sakhnovich L. A., “Obratnaya zadacha dlya differentsialnykh operatorov poryadka $n>2$ s analiticheskimi koeffitsientami”, Matem. sb., 46:1 (1958), 61–76 | MR
[3] Khachatryan I. G., “Ob operatorakh preobrazovaniya dlya differentsialnykh uravnenii vysshikh poryadkov”, Izv. AN ArmSSR. Ser. matem., 13:3 (1978), 215–238 | MR
[4] Sedin O. V., “O podobii volterrova operatora $n$-i stepeni operatoru integrirovaniya”, Lineinye operatory v funktsionalnykh prostranstvakh, Groznyi, 1989
[5] Matsaev V. I., “O suschestvovanii operatora preobrazovaniya dlya differentsialnykh operatorov vysshikh poryadkov”, Dokl. AN SSSR, 130:3 (1960), 499–502 | Zbl
[6] Malamud M. M., “Podobie volterrovykh operatorov i smezhnye voprosy teorii differentsialnykh uravnenii drobnykh poryadkov”, Tr. MMO, 55, URSS, M., 1994, 73–148 | MR | Zbl
[7] Ditkin V. A., Prudnikov A. P., Operatsionnoe ischislenie po dvum peremennym i ego prilozheniya, Fizmatgiz, M., 1958