@article{DE_1994_30_1_a3,
     author = {V. V. Dubrovskii and V. Kh. Aliverdiev},
     title = {Asymptotics of the eigenvalues of a singular differential operator},
     journal = {Differencialʹnye uravneni\^a},
     pages = {35--40},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1994_30_1_a3/}
}