%0 Journal Article %A A. A. Arkhangel'skii %T Completely integrable Hamiltonian systems on a group of triangular matrices %J Sbornik. Mathematics %D 1980 %P 127-134 %V 36 %N 1 %U http://geodesic.mathdoc.fr/item/SM_1980_36_1_a8/ %G en %F SM_1980_36_1_a8