%0 Journal Article %A L. Sh. Grigoryan %A A. A. Saharian %T Castmir effect for a spherical cavity in a perfect conductor. I %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1986 %P 56-64 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1986_3_a8/ %G ru %F UZERU_1986_3_a8