TY - JOUR AU - G. G. Laptev TI - On the nonexistence of solutions of elliptic differential inequalities in a~neighborhood of a~conic point of the boundary JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2002 SP - 50 EP - 59 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2002_9_a4/ LA - ru ID - IVM_2002_9_a4 ER -