@article{DE_1986_22_8_a9,
     author = {Yu. A. Abilov},
     title = {Regularity of boundary points for second-order degenerate elliptic equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1387--1393},
     publisher = {mathdoc},
     volume = {22},
     number = {8},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1986_22_8_a9/}
}