Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1934__109_159690, author = {I. Petrowsky}, title = {\"Uber das {Irrfahrtproblem}}, journal = {Mathematische Annalen}, pages = {425--444}, publisher = {mathdoc}, volume = {109}, year = {1934}, zbl = {0008.35603}, url = {http://geodesic.mathdoc.fr/item/MAN_1934__109_159690/} }
I. Petrowsky. Über das Irrfahrtproblem. Mathematische Annalen, Tome 109 (1934), pp. 425-444. http://geodesic.mathdoc.fr/item/MAN_1934__109_159690/