Demand point aggregation method for covering problems with gradual coverage
2015 ◽
Vol 60
◽
pp. 1-13
◽
2005 ◽
Vol 136
(1)
◽
pp. 175-192
◽
2010 ◽
Vol 202
(2)
◽
pp. 434-443
◽
Keyword(s):