Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1953__27_139059, author = {K.-F. Moppert}, title = {\"Uber einen verallgemeinerten {Ableitungsoperator.}}, journal = {Commentarii mathematici Helvetici}, pages = {140--150}, publisher = {mathdoc}, volume = {27}, year = {1953}, language = {de}, url = {http://geodesic.mathdoc.fr/item/CMH_1953__27_139059/} }
K.-F. Moppert. Über einen verallgemeinerten Ableitungsoperator.. Commentarii mathematici Helvetici, Tome 27 (1953), pp. 140-150. http://geodesic.mathdoc.fr/item/CMH_1953__27_139059/