@article{RO_2019__53_5_1513_0,
     author = {Morais dos Reis, Daniel and Goulart, Nat\~a and Noronha, Thiago F. and de Souza, S\'ergio Ricardo},
     editor = {Quilliot, Alain and Figueiredo, Rosa},
     title = {On the problem of minimizing the cost with optical devices in {Wavelength} {Division} {Multiplexing} optical networks: complexity analysis, mathematical formulation and improved heuristics},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {1513--1528},
     publisher = {EDP-Sciences},
     volume = {53},
     number = {5},
     year = {2019},
     doi = {10.1051/ro/2018072},
     mrnumber = {4016085},
     zbl = {1430.90561},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ro/2018072/}
}