%0 Journal Article %A Morais dos Reis, Daniel %A Goulart, Natã %A Noronha, Thiago F. %A de Souza, Sérgio Ricardo %E Quilliot, Alain %E Figueiredo, Rosa %T On the problem of minimizing the cost with optical devices in Wavelength Division Multiplexing optical networks: complexity analysis, mathematical formulation and improved heuristics %J RAIRO - Operations Research - Recherche Opérationnelle %D 2019 %P 1513-1528 %V 53 %N 5 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ro/2018072/ %R 10.1051/ro/2018072 %G en %F RO_2019__53_5_1513_0