@article{IVM_1978_1_a8,
     author = {T. S. Nikolova and D. D. Bainov},
     title = {Theorems on the existence and uniqueness of the solution of certain systems of integro-differential equations of superneutral type},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {75--80},
     publisher = {mathdoc},
     number = {1},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1978_1_a8/}
}