%0 Journal Article %A A. F. Goryunov %T Asymptotic formulae for eigenvalues of second order elliptic operators that are degenerate on the axis of a cylinder %J Differencialʹnye uravneniâ %D 1970 %P 2041-2052 %V 6 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1970_6_11_a12/ %G ru %F DE_1970_6_11_a12