Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{FORUM_1990__2_3_141660, author = {Norbert Knarr}, title = {The {Nonexistence} of {Certain} {Topological} {Polygons.}}, journal = {Forum mathematicum}, pages = {603--612}, publisher = {mathdoc}, volume = {2}, number = {3}, year = {1990}, zbl = {0711.51002}, url = {http://geodesic.mathdoc.fr/item/FORUM_1990__2_3_141660/} }
Norbert Knarr. The Nonexistence of Certain Topological Polygons.. Forum mathematicum, Tome 2 (1990) no. 3, pp. 603-612. http://geodesic.mathdoc.fr/item/FORUM_1990__2_3_141660/