Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1961_140_1_a12, author = {N. M. Nagornyi}, title = {The realization of functions in alphabets by algorithms of certain classes}, journal = {Doklady Akademii Nauk}, pages = {52--55}, publisher = {mathdoc}, volume = {140}, number = {1}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_140_1_a12/} }
N. M. Nagornyi. The realization of functions in alphabets by algorithms of certain classes. Doklady Akademii Nauk, Tome 140 (1961) no. 1, pp. 52-55. http://geodesic.mathdoc.fr/item/DAN_1961_140_1_a12/