Ana Maria De Almeida, Pedro Martins, MaurĂcio C. de Souza. md-MST is NP-hard for d>=3. Electronic Notes in Discrete Mathematics, 36:9-15, 2010. [doi]
@article{AlmeidaMS10, title = {md-MST is NP-hard for d>=3}, author = {Ana Maria De Almeida and Pedro Martins and MaurĂcio C. de Souza}, year = {2010}, doi = {10.1016/j.endm.2010.05.002}, url = {http://dx.doi.org/10.1016/j.endm.2010.05.002}, tags = {C++}, researchr = {https://researchr.org/publication/AlmeidaMS10}, cites = {0}, citedby = {0}, journal = {Electronic Notes in Discrete Mathematics}, volume = {36}, pages = {9-15}, }