TY - JOUR AU - D. M. Lekveishvili TI - Unimprovable estimates in H\"older spaces for generalized solutions of the Dirichlet problem for a~class of fourth order elliptic equations JO - Sbornik. Mathematics PY - 1987 SP - 429 EP - 446 VL - 56 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1987_56_2_a9/ LA - en ID - SM_1987_56_2_a9 ER -