@article{QUE_1988_1988_1_a17,
     author = {Rif\`a Coma, Josep and Pujol Capdevila, Jaume},
     title = {Recubrimientos y grafos distancia-regulares.},
     journal = {Q\"uestii\'o},
     pages = {347-356},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {1988},
     url = {http://geodesic.mathdoc.fr/item/QUE_1988_1988_1_a17/}
}