@article {16349,
	title = {Transitive closure of infinite graphs and its applications},
	journal = {Languages and Compilers for Parallel Computing},
	year = {1996},
	month = {1996///},
	pages = {126 - 140},
	author = {Kelly,W. and Pugh, William and Rosser,E. and Shpeisman,T.}
}
