%0 Journal Article %A W. M. ZajÄ…czkowski %A V. A. Solonnikov %T On the Heumann problem for second order elliptic equations in domains with edges at the boundary %J Zapiski Nauchnykh Seminarov POMI %D 1983 %P 7-48 %V 127 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1983_127_a1/ %G ru %F ZNSL_1983_127_a1