%0 Journal Article %A N. V. Svanidze %T The correction member for the eigen frequencies of three-dimensional resonator with mirrors the general curvature of which not parallel %J Zapiski Nauchnykh Seminarov POMI %D 1969 %P 161-175 %V 15 %U http://geodesic.mathdoc.fr/item/ZNSL_1969_15_a10/ %G ru %F ZNSL_1969_15_a10