%0 Journal Article %A B. A. Kushner %T Some examples of quasidense, but not dense sets of duplexes %J Zapiski Nauchnykh Seminarov POMI %D 1968 %P 95-102 %V 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1968_8_a9/ %G ru %F ZNSL_1968_8_a9