Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1958_122_6_a2, author = {A. P. Ershov}, title = {On operator algorithms}, journal = {Doklady Akademii Nauk}, pages = {967--970}, publisher = {mathdoc}, volume = {122}, number = {6}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1958_122_6_a2/} }
A. P. Ershov. On operator algorithms. Doklady Akademii Nauk, Tome 122 (1958) no. 6, pp. 967-970. http://geodesic.mathdoc.fr/item/DAN_1958_122_6_a2/