@article{ASCFM_1981__69_19_47_0,
     author = {Gravereaux, J.-B. and Jacod, J.},
     title = {Sur la construction des classes de processus de {Markov} invariantes par changement de temps},
     journal = {Annales scientifiques de l'Universit\'e de Clermont. Math\'ematiques},
     pages = {47--55},
     publisher = {UER de Sciences exactes et naturelles de l'Universit\'e de Clermont},
     volume = {69},
     number = {19},
     year = {1981},
     mrnumber = {645563},
     zbl = {0489.60082},
     language = {fr},
     url = {http://archive.numdam.org/item/ASCFM_1981__69_19_47_0/}
}