@article{TIO_1990_1990_1_a1,
     author = {Barcel\'o Bugeda, Jaime and Fern\'andez Areizaga, Elena},
     title = {M\'etodos duales y algoritmos h{\'\i}bridos para problemas de "set partitioning".},
     journal = {Trabajos de investigaci\'on operativa},
     pages = {35-59},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1990},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/TIO_1990_1990_1_a1/}
}