@article{IVM_1963_6_a3,
     author = {V. V. Vasil'ev},
     title = {On the conditions of {A.} {I.~Nekrasov} in the theory of linear integro-differential equations of a~certain class},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {29--38},
     year = {1963},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1963_6_a3/}
}