TY - JOUR AU - S. Yu. Lukashchuk TI - An approximate group classification of a perturbed subdiffusion equation JO - Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences PY - 2016 SP - 603 EP - 619 VL - 20 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGTU_2016_20_4_a2/ LA - ru ID - VSGTU_2016_20_4_a2 ER -