@article{DE_1966_2_3_a16,
     author = {N. P. Erugin and V. V. Nemytskii},
     title = {Zum 60. {Geburtstag} von {Boris} {Pavlovic} {Demidovic}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {428--432},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1966_2_3_a16/}
}