@article{DAN_1978_243_6_a4,
     author = {K. Kh. Boimatov},
     title = {Asymptotics of the spectrum of an elliptic differential operator in the degenerate case},
     journal = {Doklady Akademii Nauk},
     pages = {1369--1372},
     publisher = {mathdoc},
     volume = {243},
     number = {6},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_243_6_a4/}
}