Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1942__15_138802, author = {E. Preisig}, title = {\"Uber {Bewegungsmittelwerte} konvexer {K\"orper} in {Gittern.}}, journal = {Commentarii mathematici Helvetici}, pages = {120--143}, publisher = {mathdoc}, volume = {15}, year = {1942}, language = {de}, url = {http://geodesic.mathdoc.fr/item/CMH_1942__15_138802/} }
E. Preisig. Über Bewegungsmittelwerte konvexer Körper in Gittern.. Commentarii mathematici Helvetici, Tome 15 (1942), pp. 120-143. http://geodesic.mathdoc.fr/item/CMH_1942__15_138802/