%0 Journal Article %A Egorov, Youri V. %A Kondratiev, Vladimir A. %A Schulze, Bert-Wolfgang %T On completeness of root functions of elliptic boundary problems in a domain with conical points on the boundary %J Comptes Rendus. Mathématique %D 2002 %P 649-654 %V 334 %N 8 %I Elsevier %U http://www.numdam.org/articles/10.1016/S1631-073X(02)02320-8/ %R 10.1016/S1631-073X(02)02320-8 %G en %F CRMATH_2002__334_8_649_0