@article{VSGTU_2016_20_4_a2,
     author = {S. Yu. Lukashchuk},
     title = {An approximate group classification of a perturbed subdiffusion equation},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {603--619},
     publisher = {mathdoc},
     volume = {20},
     number = {4},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2016_20_4_a2/}
}