@article{00436747, title = {An open toss problem.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {16}, year = {1993}, pages = {621-623}, doi = {10.1155/S0161171293000778}, zbl = {0781.60010}, language = {en}, url = {http://dml.mathdoc.fr/item/00436747} }
Bajaj, Prem N.; Mendieta, G.R. An open toss problem.. International Journal of Mathematics and Mathematical Sciences, Tome 16 (1993) pp. 621-623. doi : 10.1155/S0161171293000778. http://gdmltest.u-ga.fr/item/00436747/