@article{RO_2003__37_4_235_0,
     author = {Brauner, Nadia and Crama, Yves and Finke, Gerd and Lemaire, Pierre and Wynants, Christelle},
     title = {Approximation algorithms for the design of {SDH/SONET} networks},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {235--247},
     publisher = {EDP-Sciences},
     volume = {37},
     number = {4},
     year = {2003},
     doi = {10.1051/ro:2004003},
     mrnumber = {2064600},
     zbl = {1092.90011},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ro:2004003/}
}