TY - JOUR AU - V. S. Pilidi TI - A~priori estimates for bisingular operators with continuous coefficients JO - Matematičeskie zametki PY - 1991 SP - 105 EP - 109 VL - 49 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1991_49_4_a12/ LA - ru ID - MZM_1991_49_4_a12 ER -