%0 Journal Article %A Yu. A. Alpin %A Kh. D. Ikramov %T Unitary similarity of algebras generated by pairs of orthoprojectors %J Zapiski Nauchnykh Seminarov POMI %D 2005 %P 5-14 %V 323 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2005_323_a0/ %G ru %F ZNSL_2005_323_a0