@article{1103038230, author = {Firey, W. J.}, title = {Isoperimetric ratios of Reuleaux polygons.}, journal = {Pacific J. Math.}, volume = {10}, number = {4}, year = {1960}, pages = { 823-829}, language = {en}, url = {http://dml.mathdoc.fr/item/1103038230} }
Firey, W. J. Isoperimetric ratios of Reuleaux polygons.. Pacific J. Math., Tome 10 (1960) no. 4, pp. 823-829. http://gdmltest.u-ga.fr/item/1103038230/