Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1898__50_157867, author = {Kneser}, title = {Zur {Variationsrechnung}}, journal = {Mathematische Annalen}, pages = {27--50}, publisher = {mathdoc}, volume = {50}, year = {1898}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MAN_1898__50_157867/} }
Kneser. Zur Variationsrechnung. Mathematische Annalen, Tome 50 (1898), pp. 27-50. http://geodesic.mathdoc.fr/item/MAN_1898__50_157867/