Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MM2_1986__54_155120, author = {I.E. Valeontis}, title = {Parallel-P-\"Aquidistante {Regelfl\"achen.}}, journal = {Manuscripta mathematica}, pages = {391--404}, publisher = {mathdoc}, volume = {54}, year = {1986}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MM2_1986__54_155120/} }
I.E. Valeontis. Parallel-P-Äquidistante Regelflächen.. Manuscripta mathematica, Tome 54 (1986), pp. 391-404. http://geodesic.mathdoc.fr/item/MM2_1986__54_155120/