%0 Journal Article %A G. G. Laptev %T On the nonexistence of solutions of elliptic differential inequalities in a~neighborhood of a~conic point of the boundary %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2002 %P 50-59 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2002_9_a4/ %G ru %F IVM_2002_9_a4