%0 Journal Article %A A. V. Tsiganov %T On deformations of the canonical Poisson bracket for the nonholonomic Chaplygin and the Borisov--Mamaev--Fedorov systems on zero-level of the area integral.~I %J Russian journal of nonlinear dynamics %D 2011 %P 577-599 %V 7 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2011_7_3_a12/ %G ru %F ND_2011_7_3_a12