共 8 条
[1]
[Anonymous], 1979, Computers and Intractablity: A Guide to the Theoryof NP-Completeness
[2]
Bachman A., 1997, 3497 WROCL U TECHN I
[4]
GAWIEJNOWICZ L, 1995, 0271995 A MICK U FAC
[5]
Jackson J. R., 1956, Naval Research Logistics Quarterly, V3, P201