%0 Journal Article %A V. S. Kapitonov %T The ``slave boson'' method for the Hubbard model -- %J Zapiski Nauchnykh Seminarov POMI %D 1988 %P 68-75 %V 169 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1988_169_a7/ %G ru %F ZNSL_1988_169_a7