TY - JOUR AU - H. K. Avad AU - A. V. Glushak TI - On perturbations of abstract fractional differential equations by nonlinear operators JO - Contemporary Mathematics. Fundamental Directions PY - 2010 SP - 5 EP - 21 VL - 35 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2010_35_a0/ LA - ru ID - CMFD_2010_35_a0 ER -