@article{RMI_2008_2008_1_a3,
     author = {Montesinos-Amilibia, A. },
     title = {Transformations between surfaces in $\mathbb{R}^4$ with flat normal and/or tangent bundles.},
     journal = {Revista matem\'atica iberoamericana},
     pages = {71-90},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RMI_2008_2008_1_a3/}
}