共 9 条
[3]
Garey MR., 1979, COMPUTERS INTRACTABI
[4]
Hall N. G., 1983, MULTICOVERING PROBLE
[6]
HOCHBAUM DS, 1980, 647980 CARN U GRAD S
[7]
HOCHBAUM DS, 1980, 218081 CARN U GRAD S
[8]
VANSLYKE R, COVERING PROBLEMS CC
[9]
XIAOMING L, 1984, C NUMERANTIUM, V41, P63