TY - JOUR AU - Y. S. Popkov TI - Oscillations in Dynamic Systems with an Entropy Operator JO - Russian journal of nonlinear dynamics PY - 2023 SP - 125 EP - 135 VL - 19 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ND_2023_19_1_a7/ LA - en ID - ND_2023_19_1_a7 ER -