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@article{PORMA_1985__43_4_114538, author = {Cieslak, Waldemar and Zajac, J\'osef}, title = {A measure of symmetry for ovals}, journal = {Portugaliae mathematica}, pages = {485--493}, publisher = {mathdoc}, volume = {43}, number = {4}, year = {1985}, mrnumber = {0911454}, zbl = {0633.53003}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1985__43_4_114538/} }
Cieslak, Waldemar; Zajac, Jósef. A measure of symmetry for ovals. Portugaliae mathematica, Tome 43 (1985) no. 4, pp. 485-493. http://geodesic.mathdoc.fr/item/PORMA_1985__43_4_114538/