Voir la notice de l'article provenant de la source Math-Net.Ru
@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/} }
Il'ja Nestorovi{\v{c}} Vekua. Differencialʹnye uravneniâ, Tome 14 (1978) no. 6, pp. 1144-1146. http://geodesic.mathdoc.fr/item/DE_1978_14_6_a23/