Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1978_1_a14, author = {V. I. Serdobol'skii and V. G. Pronin}, title = {Properties of probabilistic languages}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {117--122}, publisher = {mathdoc}, number = {1}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1978_1_a14/} }
V. I. Serdobol'skii; V. G. Pronin. Properties of probabilistic languages. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1978), pp. 117-122. http://geodesic.mathdoc.fr/item/IVM_1978_1_a14/