%0 Journal Article %A I. S. Mamaev %T Multipurpose software system for research of mechanical systems with nonholonomic constraints %J Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki %D 2009 %P 147-160 %N 2 %U http://geodesic.mathdoc.fr/item/VUU_2009_2_a14/ %G ru %F VUU_2009_2_a14