@article{QUE_1990_1990_1_a2,
     author = {Cobes, Ana M. and Corominas, Albert},
     title = {Asignaci\'on de veh{\'\i}culos a rutas en un sistema de transporte multi-escuela.},
     journal = {Q\"uestii\'o},
     pages = {181-192},
     publisher = {mathdoc},
     volume = {14},
     number = {1-2-3},
     year = {1990},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/QUE_1990_1990_1_a2/}
}