Frederico Paiva Quintão, Alexandre Salles da Cunha, Geraldo Robson Mateus, Abilio Lucena. The k-Cardinality Tree Problem: Reformulations and Lagrangian Relaxation. Discrete Applied Mathematics, 158(12):1305-1314, 2010. [doi]
@article{QuintaoCML10,
title = {The k-Cardinality Tree Problem: Reformulations and Lagrangian Relaxation},
author = {Frederico Paiva Quintão and Alexandre Salles da Cunha and Geraldo Robson Mateus and Abilio Lucena},
year = {2010},
doi = {10.1016/j.dam.2009.01.017},
url = {http://dx.doi.org/10.1016/j.dam.2009.01.017},
researchr = {https://researchr.org/publication/QuintaoCML10},
cites = {0},
citedby = {0},
journal = {Discrete Applied Mathematics},
volume = {158},
number = {12},
pages = {1305-1314},
}