@article{RMC_2005_2005_1_a1,
     author = {Luca, Florian},
     title = {.121221222... no es cuadr\'atica.},
     journal = {Revista matem\'atica complutense},
     pages = {353-362},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RMC_2005_2005_1_a1/}
}