@article{02171761, title = {Lower and upper bounds of shortest paths in reachability graphs.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2004}, year = {2004}, pages = {3023-3036}, doi = {10.1155/S0161171204403378}, zbl = {1101.68730}, language = {en}, url = {http://dml.mathdoc.fr/item/02171761} }
Mishra, P.K. Lower and upper bounds of shortest paths in reachability graphs.. International Journal of Mathematics and Mathematical Sciences, Tome 2004 (2004) pp. 3023-3036. doi : 10.1155/S0161171204403378. http://gdmltest.u-ga.fr/item/02171761/