@article{GDZPPN002259451, title = {Jacobi's Criterion when both end-points are variable}, journal = {Mathematische Annalen}, volume = {58}, year = {1904}, pages = {70-80}, zbl = {34.0402.01}, url = {http://dml.mathdoc.fr/item/GDZPPN002259451} }
Bliß, G. Jacobi's Criterion when both end-points are variable. Mathematische Annalen, Tome 58 (1904) pp. 70-80. http://gdmltest.u-ga.fr/item/GDZPPN002259451/