TY - JOUR AU - V. V. Vasil'ev TI - On the conditions of A.\,I.~Nekrasov in the theory of linear integro-differential equations of a~certain class JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1963 SP - 29 EP - 38 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1963_6_a3/ LA - ru ID - IVM_1963_6_a3 ER -