@article{DE_1995_31_1_a11,
     author = {G. G. Devdariani},
     title = {An elliptic second-order equation with singular coefficients},
     journal = {Differencialʹnye uravneni\^a},
     pages = {90--93},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1995_31_1_a11/}
}