Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1946__1_140421, author = {A. Hess}, title = {Ein {Nomogramm} f\"ur die {Gleichung} ... + ... = c.}, journal = {Elemente der Mathematik}, pages = {6--8}, publisher = {mathdoc}, volume = {1}, year = {1946}, url = {http://geodesic.mathdoc.fr/item/ELMA_1946__1_140421/} }
A. Hess. Ein Nomogramm für die Gleichung ... + ... = c.. Elemente der Mathematik, Tome 1 (1946), pp. 6-8. http://geodesic.mathdoc.fr/item/ELMA_1946__1_140421/