@article{QUE_1991_1991_1_a8,
     author = {Lozano Segura, Sebasti\'an and Larra\~neta Astola, Juan Carlos and Onieva Jim\'enez, Luis},
     title = {Planificaci\'on multinivel con limitaciones de capacidad.},
     journal = {Q\"uestii\'o},
     pages = {211-229},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {1991},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/QUE_1991_1991_1_a8/}
}