@article{MZ_1954__61_169467,
     author = {Julian Petresco},
     title = {Sur les commutateurs.},
     journal = {Mathematische Zeitschrift},
     pages = {348--356},
     publisher = {mathdoc},
     volume = {61},
     year = {1954},
     url = {http://geodesic.mathdoc.fr/item/MZ_1954__61_169467/}
}