TY - JOUR AU - A. V. Borovskikh TI - Investigation of Relaxation Oscillations with the Use of Constructive Nonstandard Analysis: II JO - Differencialʹnye uravneniâ PY - 2004 SP - 455 EP - 464 VL - 40 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2004_40_4_a2/ LA - ru ID - DE_2004_40_4_a2 ER -