%0 Journal Article %A Kh. D. Ikramov %T Specific features of cosquares of special matrices in indefinite metric spaces %J Zapiski Nauchnykh Seminarov POMI %D 2020 %P 101-103 %V 496 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2020_496_a7/ %G ru %F ZNSL_2020_496_a7