@article{1077466687, author = {Getoor, R. K.}, title = {The shift operator for non-stationary stochastic processes}, journal = {Duke Math. J.}, volume = {23}, number = {1}, year = {1956}, pages = { 175-187}, language = {en}, url = {http://dml.mathdoc.fr/item/1077466687} }
Getoor, R. K. The shift operator for non-stationary stochastic processes. Duke Math. J., Tome 23 (1956) no. 1, pp. 175-187. http://gdmltest.u-ga.fr/item/1077466687/