@article{RMC_2007_2007_1_a1,
     author = {Banks, William D. and Luca, Florian and Shparlinski, Igor E.},
     title = {Vecinos suaves y \'asperos.},
     journal = {Revista matem\'atica complutense},
     pages = {109-118},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RMC_2007_2007_1_a1/}
}