@article{DE_1966_2_9_a5,
     author = {V. A. Churikov},
     title = {Conditions for the existence of the {Green's} function of a boundary value problem},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1184--1192},
     publisher = {mathdoc},
     volume = {2},
     number = {9},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1966_2_9_a5/}
}