@article{GDZPPN002402378, title = {Another Characterization of the Classical Fields.}, journal = {Mathematische Zeitschrift}, volume = {105}, year = {1968}, pages = {173-176}, zbl = {0165.05404}, url = {http://dml.mathdoc.fr/item/GDZPPN002402378} }
Matzinger, Heinrich. Another Characterization of the Classical Fields.. Mathematische Zeitschrift, Tome 105 (1968) pp. 173-176. http://gdmltest.u-ga.fr/item/GDZPPN002402378/