PERTURBATION METHOD IN THE THEORY OF KINETIC-EQUATIONS Статья GORDEEV A.N. Theoretical and Mathematical Physics. Том 63. 1985. С. 400-412
BILIARY ANASTOMOSES IN TUMORAL OBTURATION OF BILE-DUCTS Статья VINOGRADOV V.V., LAPKIN K.V., LUTFALIEV T.A., KUNDA M.A. Vestnik Khirurgii Imeni I.I.Grekova. Том 134. 1985. С. 40-46