%0 Journal Article %A Nguen Tkhan' Nam %T A problem with an oblique derivative in a domain with edges %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1989 %P 77-79 %N 2 %U http://geodesic.mathdoc.fr/item/VMUMM_1989_2_a20/ %G ru %F VMUMM_1989_2_a20