TY - JOUR AU - V. O. Lukashchuk AU - S. Yu. Lukashchuk TI - Group classification, invariant solutions and conservation laws of nonlinear orthotropic two-dimensional filtration equation with the Riemann--Liouville time-fractional derivative JO - Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences PY - 2020 SP - 226 EP - 248 VL - 24 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGTU_2020_24_2_a1/ LA - ru ID - VSGTU_2020_24_2_a1 ER -