@article{SPS_1968__2__75_0,
     author = {Giroux, Gaston},
     title = {Th\'eorie des fronti\`eres dans les cha{\^\i}nes de {Markov}},
     journal = {S\'eminaire de probabilit\'es de Strasbourg},
     pages = {75--110},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {2},
     year = {1968},
     mrnumber = {239664},
     language = {fr},
     url = {http://www.numdam.org/item/SPS_1968__2__75_0/}
}