TY - JOUR AU - A. P. Ivanov TI - Bifurcations in systems with friction: basic models and methods JO - Russian journal of nonlinear dynamics PY - 2009 SP - 479 EP - 498 VL - 5 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ND_2009_5_4_a2/ LA - ru ID - ND_2009_5_4_a2 ER -