@article{DE_1968_4_1_a17,
     author = {A. V. Bitsadze},
     title = {Ill'ja {Nesterovic} {Vekua.} {(Zum} {60~Geburtstag)}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {180--187},
     publisher = {mathdoc},
     volume = {4},
     number = {1},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1968_4_1_a17/}
}