Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1993_329_4_a7, author = {M. I. Kratko and A. N. Khruzin}, title = {Unsolvability of certain problems in the theory of {R\"odding} automata}, journal = {Doklady Akademii Nauk}, pages = {416--418}, publisher = {mathdoc}, volume = {329}, number = {4}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1993_329_4_a7/} }
M. I. Kratko; A. N. Khruzin. Unsolvability of certain problems in the theory of R\"odding automata. Doklady Akademii Nauk, Tome 329 (1993) no. 4, pp. 416-418. http://geodesic.mathdoc.fr/item/DAN_1993_329_4_a7/