@article{DE_1967_3_9_a14,
     author = {M. B. Kapilevich},
     title = {The solution of singular {Cauchy} problems in basis series},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1560--1577},
     publisher = {mathdoc},
     volume = {3},
     number = {9},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_9_a14/}
}