TY - JOUR AU - A. Yu. Kolesov AU - E. F. Mishchenko TI - On the mechanism of destruction of invariant torus of Van-der Pole relaxation system with harmonic influence on the slow variable JO - Informatics and Automation PY - 1991 SP - 197 EP - 204 VL - 200 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1991_200_a17/ LA - ru ID - TRSPY_1991_200_a17 ER -