%0 Journal Article %A A. V. Tsiganov %T Canonical transformations of the extended phase space and integrable systems %J Teoretičeskaâ i matematičeskaâ fizika %D 2000 %P 72-94 %V 124 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2000_124_1_a5/ %G ru %F TMF_2000_124_1_a5