@article{DAN_1987_295_5_a3,
     author = {S. A. Gusarenko},
     title = {A generalization of the concept of a {Volterra} operator},
     journal = {Doklady Akademii Nauk},
     pages = {1046--1049},
     publisher = {mathdoc},
     volume = {295},
     number = {5},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_295_5_a3/}
}