%0 Journal Article %A L. A. Takhtadzhyan %T Hamiltonian systems connected with the Dirac equation %J Zapiski Nauchnykh Seminarov POMI %D 1973 %P 66-76 %V 37 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1973_37_a5/ %G ru %F ZNSL_1973_37_a5