%0 Journal Article %A N. Yu. Kuranova %T Representation of binary quadratic forms by a~quaternary form %J Zapiski Nauchnykh Seminarov POMI %D 2003 %P 68-80 %V 302 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2003_302_a4/ %G ru %F ZNSL_2003_302_a4