%0 Journal Article %A A. V. Bolsinov %A S. V. Matveev %A A. T. Fomenko %T Topological classification of integrable Hamiltonian systems with two degrees of freedom. List of systems of small complexity %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1990 %P 59-94 %V 45 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1990_45_2_a1/ %G en %F RM_1990_45_2_a1