TY - JOUR TI - Anatoly Pavlovich Markeev. On the Occasion of his 80th Birthday JO - Russian journal of nonlinear dynamics PY - 2022 SP - 467 EP - 472 VL - 18 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ND_2022_18_4_a0/ LA - en ID - ND_2022_18_4_a0 ER -