@article{GDZPPN002035359, title = {Combinatorics of orientation reversing polygons.}, journal = {Aequationes mathematicae}, volume = {28}, year = {1985}, pages = {123-131}, zbl = {0592.05019}, url = {http://dml.mathdoc.fr/item/GDZPPN002035359} }
Lins, Sóstenes. Combinatorics of orientation reversing polygons.. Aequationes mathematicae, Tome 28 (1985) pp. 123-131. http://gdmltest.u-ga.fr/item/GDZPPN002035359/