%0 Journal Article %A V. V. Vasil'ev %T On the conditions of A.\,I.~Nekrasov in the theory of linear integro-differential equations of a~certain class %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1963 %P 29-38 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1963_6_a3/ %G ru %F IVM_1963_6_a3