%0 Journal Article %A Z. B. Hovhannesyan %T On the problem of border conditions restoration on the edges of a plate, when transverse natural oscillations frequencies spectra are defined %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1991 %P 45-50 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1991_1_a6/ %G ru %F UZERU_1991_1_a6