@article{MASLO_2004_54_3_a2,
     author = {Skrzy\'nski, Marcin},
     title = {On a singular set for the restriction of the characteristic map to a linear subspace of $\Cal M_n$},
     journal = {Mathematica slovaca},
     pages = {229--236},
     year = {2004},
     volume = {54},
     number = {3},
     mrnumber = {2076359},
     zbl = {1078.15014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_2004_54_3_a2/}
}