TY - JOUR AU - V. Ph. Zhuravlev TI - Comments on ``Lagrangian mechanics and dry friction'' by V.\,V.~Kozlov JO - Russian journal of nonlinear dynamics PY - 2011 SP - 147 EP - 149 VL - 7 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ND_2011_7_1_a7/ LA - ru ID - ND_2011_7_1_a7 ER -