@article{SM_1999_190_1_a4,
     author = {E. A. Sataev},
     title = {Schwartzian derivative for multidimensional maps and flows},
     journal = {Sbornik. Mathematics},
     pages = {143--164},
     publisher = {mathdoc},
     volume = {190},
     number = {1},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1999_190_1_a4/}
}