%0 Journal Article %A K. V. Shakhbazyan %T On two sequencing problems %J Zapiski Nauchnykh Seminarov POMI %D 1983 %P 44-72 %V 124 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1983_124_a4/ %G ru %F ZNSL_1983_124_a4