TY - JOUR AU - M. L. Gorbachuk AU - A. Ya. Shklyar TI - On the Smoothness of Weak Solutions of Operator Differential Equations JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1999 SP - 59 EP - 61 VL - 33 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1999_33_1_a4/ LA - ru ID - FAA_1999_33_1_a4 ER -