TY - JOUR AU - V. E. Fedorov AU - D. M. Gordievskikh AU - D. Baleanu AU - K. Tash TI - Criterion of the approximate controllability of a class of degenerate distributed systems with the Riemann–Liouville derivative JO - Matematičeskie zametki SVFU PY - 2019 SP - 41 EP - 59 VL - 26 IS - 2 UR - http://geodesic.mathdoc.fr/item/SVFU_2019_26_2_a3/ LA - ru ID - SVFU_2019_26_2_a3 ER -