TY - JOUR AU - A. V. Glushak AU - H. K. Avad TI - On the solvability of an abstract differential equation of fractional order with a~variable operator JO - Contemporary Mathematics. Fundamental Directions PY - 2013 SP - 18 EP - 32 VL - 47 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2013_47_a1/ LA - ru ID - CMFD_2013_47_a1 ER -