%0 Journal Article %A S. V. Sevast'yanov %A D. A. Chemisova %A I. D. Chernykh %T Some properties of optimal schedules for the Johnson problem with preemption %J Diskretnyj analiz i issledovanie operacij %D 2006 %P 83-102 %V 13 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DA_2006_13_3_a5/ %G ru %F DA_2006_13_3_a5