Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1869__1_156422, author = {C. Islen{\textsection}ef}, title = {Notiz \"uber das cykloidische {Pendel.} {Von} {Carl} {Neumann} in {Leipzig}}, journal = {Mathematische Annalen}, pages = {507--508}, publisher = {mathdoc}, volume = {1}, year = {1869}, url = {http://geodesic.mathdoc.fr/item/MAN_1869__1_156422/} }
C. Islen§ef. Notiz über das cykloidische Pendel. Von Carl Neumann in Leipzig. Mathematische Annalen, Tome 1 (1869), pp. 507-508. http://geodesic.mathdoc.fr/item/MAN_1869__1_156422/