Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1936__40_168632, author = {L. Heffter}, title = {Kurven- und {Stieltjes-Integral}}, journal = {Mathematische Zeitschrift}, pages = {608--612}, publisher = {mathdoc}, volume = {40}, year = {1936}, zbl = {0012.25204}, url = {http://geodesic.mathdoc.fr/item/MZ_1936__40_168632/} }
L. Heffter. Kurven- und Stieltjes-Integral. Mathematische Zeitschrift, Tome 40 (1936), pp. 608-612. http://geodesic.mathdoc.fr/item/MZ_1936__40_168632/