%0 Journal Article %A R. Coleman %T Constructing real canonical forms of Hamiltonian matrices with two imaginary eigenvalues %J Fundamentalʹnaâ i prikladnaâ matematika %D 1999 %P 687-716 %V 5 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_1999_5_3_a3/ %G ru %F FPM_1999_5_3_a3