@article{DE_1969_5_1_a4,
     author = {A. I. Yanushauskas},
     title = {An application of degenerate equations to the investigation of the oblique derivative problem},
     journal = {Differencialʹnye uravneni\^a},
     pages = {81--90},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1969_5_1_a4/}
}