Logic and mathematical programming
Keyword(s):
1997 ◽
Vol 21
(1-2)
◽
pp. S905-S910
1997 ◽
Vol 48
(3)
◽
pp. 334-0334
Keyword(s):
2001 ◽
Vol 52
(5)
◽
pp. 594-596
Keyword(s):
2000 ◽
Vol 4
(1)
◽
pp. 21-56
◽