TY - JOUR AU - B. D. Gel'man TI - Periodic Trajectories and Coincidence Points of Tuples of Set-Valued Maps JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2018 SP - 72 EP - 77 VL - 52 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2018_52_2_a5/ LA - ru ID - FAA_2018_52_2_a5 ER -