%0 Journal Article %A K. V. Shakhbazyan %T The ordering of structural set of tasks minimizing the total cost %J Zapiski Nauchnykh Seminarov POMI %D 1979 %P 229-264 %V 90 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1979_90_a11/ %G ru %F ZNSL_1979_90_a11