@article{1183528952, author = {Williams, David}, title = {Local time at fictitious states}, journal = {Bull. Amer. Math. Soc.}, volume = {73}, number = {6}, year = {1967}, pages = { 542-544}, language = {en}, url = {http://dml.mathdoc.fr/item/1183528952} }
Williams, David. Local time at fictitious states. Bull. Amer. Math. Soc., Tome 73 (1967) no. 6, pp. 542-544. http://gdmltest.u-ga.fr/item/1183528952/