@article{DAN_1960_132_1_a6,
     author = {A. G. Kostyuchenko},
     title = {An estimate of the resolvents of singular elliptic operators},
     journal = {Doklady Akademii Nauk},
     pages = {32--35},
     publisher = {mathdoc},
     volume = {132},
     number = {1},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_132_1_a6/}
}