共 19 条
[1]
[Anonymous], 1954, OPERATIONS RES, DOI DOI 10.1287/OPRE.2.4.393
[2]
BALAS E, 1980, MATH PROGRAM STUD, V12, P19, DOI 10.1007/BFb0120885
[3]
BALAS E, 1976, 9TH INT S MATH PROGR
[6]
Burkard R.E., 1979, DISCRETE OPTIM, V4, P193
[7]
Christofides N., 1979, Combinatorial optimization, P131
[10]
Christofides N, 1976, GRAPH THEORY ALGORIT