@article{01127747, title = {Longest cycles in certain bipartite graphs.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {21}, year = {1998}, pages = {103-106}, doi = {10.1155/S0161171298000131}, zbl = {0890.05040}, language = {en}, url = {http://dml.mathdoc.fr/item/01127747} }
Wong, Pak-Ken. Longest cycles in certain bipartite graphs.. International Journal of Mathematics and Mathematical Sciences, Tome 21 (1998) pp. 103-106. doi : 10.1155/S0161171298000131. http://gdmltest.u-ga.fr/item/01127747/