The one-commodity pickup and delivery travelling salesman problem on a path or a tree
2012 ◽
Vol 220
(1)
◽
pp. 270-285
◽
2018 ◽
Vol 97
◽
pp. 1-17
◽
Keyword(s):
2018 ◽
pp. 241-252
Keyword(s):
2019 ◽
Vol 121
◽
pp. 313-323
◽
Keyword(s):
1989 ◽
Vol 50
(3)
◽
pp. 255-261
◽