%0 Journal Article %A V. I. Vasyunin %A N. G. Makarov %T On quasi-similarity of model contractions with non-equal defects %J Zapiski Nauchnykh Seminarov POMI %D 1986 %P 24-37 %V 149 %U http://geodesic.mathdoc.fr/item/ZNSL_1986_149_a1/ %G ru %F ZNSL_1986_149_a1