%0 Journal Article
%A E. M. Il'in
%T Singularities of weak solutions of elliptic equations with discontinuous coefficients. II. Angular points of lines of gap
%J Zapiski Nauchnykh Seminarov POMI
%D 1974
%P 166-169
%V 47
%U http://geodesic.mathdoc.fr/item/ZNSL_1974_47_a12/
%G ru
%F ZNSL_1974_47_a12