%0 Journal Article %A A. A. Nersesyan %T A Swiss cheese with point derivatives up to given order %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1986 %P 26-29 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1986_3_a3/ %G ru %F UZERU_1986_3_a3