@article{DE_1974_10_1_a4,
     author = {V. N. Vragov},
     title = {Analyticity of the solutions of {Problem~}$E$ for a certain degenerate elliptic equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {36--40},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_1_a4/}
}