@article{00940743, title = {On the area sum of a convex set and its polar reciprocal.}, journal = {Mathematica Pannonica}, volume = {7}, year = {1996}, pages = {171-176}, zbl = {0873.52002}, language = {en}, url = {http://dml.mathdoc.fr/item/00940743} }
Florian, August. On the area sum of a convex set and its polar reciprocal.. Mathematica Pannonica, Tome 7 (1996) pp. 171-176. http://gdmltest.u-ga.fr/item/00940743/