%0 Journal Article %A M. M. Popov %T The asymptotic behavior of certain subsequences of eigenvalues of boundary value problems for the Helmholtz equation in higher dimensions %J Doklady Akademii Nauk %D 1969 %P 1076-1079 %V 184 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_184_5_a15/ %G ru %F DAN_1969_184_5_a15