TY - JOUR AU - B. de Abel de Valcourt TI - Axially Symmetric Polygons Inscribed in and Circumscribed about Convex sets. JO - Elemente der Mathematik PY - 1967 SP - 121 EP - 133 VL - 22 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ELMA_1967__22_140867/ ID - ELMA_1967__22_140867 ER -