Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1967__22_140867, author = {B. de Abel de Valcourt}, title = {Axially {Symmetric} {Polygons} {Inscribed} in and {Circumscribed} about {Convex} sets.}, journal = {Elemente der Mathematik}, pages = {121--133}, publisher = {mathdoc}, volume = {22}, year = {1967}, zbl = {0171.20901}, url = {http://geodesic.mathdoc.fr/item/ELMA_1967__22_140867/} }
B. de Abel de Valcourt. Axially Symmetric Polygons Inscribed in and Circumscribed about Convex sets.. Elemente der Mathematik, Tome 22 (1967), pp. 121-133. http://geodesic.mathdoc.fr/item/ELMA_1967__22_140867/