@article{PM_1997_1997_1_a10,
     author = {Chavarriga, Javier and Giacomini, H\'ector and Gin\'e, Jaume},
     title = {Factor de divergencia nulo.},
     journal = {Publicacions matem\`atiques},
     pages = {41-56},
     publisher = {mathdoc},
     volume = {41},
     number = {1},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_1997_1997_1_a10/}
}