@article{DE_1970_6_11_a12,
     author = {A. F. Goryunov},
     title = {Asymptotic formulae for eigenvalues of second order elliptic operators that are degenerate on the axis of a cylinder},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2041--2052},
     publisher = {mathdoc},
     volume = {6},
     number = {11},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1970_6_11_a12/}
}