TY - JOUR AU - G. V. Demidenko AU - I. Yu. Nekhaev TI - On the regularity of solutions of boundary value problems for quasi-elliptic equations JO - Matematičeskie trudy PY - 1994 SP - 144 EP - 166 VL - 24 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MT_1994_24_a4/ LA - ru ID - MT_1994_24_a4 ER -