@article{GDZPPN002064499,
title = {An algebro-geometric interpretation of the B\"acklund-transformation for the Korteweg-de Vries equation.},
journal = {Commentarii mathematici Helvetici},
volume = {57},
year = {1982},
pages = {1-10},
zbl = {0516.35071},
url = {http://dml.mathdoc.fr/item/GDZPPN002064499}
}
Ehlers, Fritz; Knörrer, Horst. An algebro-geometric interpretation of the Bäcklund-transformation for the Korteweg-de Vries equation.. Commentarii mathematici Helvetici, Tome 57 (1982) pp. 1-10. http://gdmltest.u-ga.fr/item/GDZPPN002064499/