@article{DE_2002_38_5_a15,
     author = {V. F. Chistyakov},
     title = {Solvability of {Systems} of {Volterra} {Integral} {Equations} of the {Fourth} {Kind:} {I}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {698--707},
     year = {2002},
     volume = {38},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2002_38_5_a15/}
}