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A polynomial algorithm for P | p j=1, r j, outtree | ∑ C j
Brucker, Peter, (2003)
A polynomial algorithm for P | p<Subscript>j</Subscript>=1, r<Subscript>j</Subscript>, outtree | ∑ C<Subscript>j</Subscript>
Tabu search algorithms for job-shop problems with a single transport robot
Hurink, Johann, (2005)