TY - JOUR AU - D. M. Lekveishvili TI - Unimprovable estimates for the generalized solutions of a~mixed problem for the biharmonic equation in a~neighborhood of a~boundary point JO - Trudy Moskovskogo matematičeskogo obŝestva PY - 1987 SP - 55 EP - 78 VL - 50 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MMO_1987_50_a1/ LA - ru ID - MMO_1987_50_a1 ER -