TY - JOUR TI - In memory of Professor Alexey V. Borisov (27.03.1965–24.01.2021) JO - Russian journal of nonlinear dynamics PY - 2021 SP - 3 VL - 17 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ND_2021_17_1_a0/ LA - en ID - ND_2021_17_1_a0 ER -