Sven Oliver Krumke, Clemens Thielen. The generalized assignment problem with minimum quantities. European Journal of Operational Research, 228(1):46-55, 2013. [doi]
@article{KrumkeT13, title = {The generalized assignment problem with minimum quantities}, author = {Sven Oliver Krumke and Clemens Thielen}, year = {2013}, doi = {10.1016/j.ejor.2013.01.027}, url = {http://dx.doi.org/10.1016/j.ejor.2013.01.027}, researchr = {https://researchr.org/publication/KrumkeT13}, cites = {0}, citedby = {0}, journal = {European Journal of Operational Research}, volume = {228}, number = {1}, pages = {46-55}, }