@misc{DE_1978_14_6_a23,
     title = {Il'ja {Nestorovi{\v{c}}} {Vekua}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1144--1146},
     publisher = {mathdoc},
     volume = {14},
     number = {6},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1978_14_6_a23/}
}