@article{DE_1974_10_8_a17,
     author = {A. A. Levakov},
     title = {A two-point problem for indefinite integral equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1504--1508},
     publisher = {mathdoc},
     volume = {10},
     number = {8},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_8_a17/}
}