@article{DE_1972_8_8_a7,
     author = {S. G. Kondratenya and E. G. Prolisko and T. I. Shved},
     title = {The solutions of differential equations with singular initial conditions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1396--1403},
     publisher = {mathdoc},
     volume = {8},
     number = {8},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1972_8_8_a7/}
}