%0 Journal Article %A S. Yu. Lukashchuk %T An approximate group classification of a perturbed subdiffusion equation %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2016 %P 603-619 %V 20 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_2016_20_4_a2/ %G ru %F VSGTU_2016_20_4_a2