@article{EJDE_2003__2003__a23,
     author = {Rayskin,  Victoria},
     title = {Multidimensional singular \(\lambda\)-lemma},
     journal = {Electronic journal of differential equations},
     year = {2003},
     volume = {2003},
     zbl = {1039.37018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a23/}
}