@article{RMC_1999_1999_1_a4,
     author = {Wasserman, Arthur G.},
     title = {Extendiendo acciones algebraicas.},
     journal = {Revista matem\'atica complutense},
     pages = {463-474},
     publisher = {mathdoc},
     volume = {12},
     number = {2},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RMC_1999_1999_1_a4/}
}