Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1986_40_1_a9, author = {V. P. Dobritsa}, title = {The number of computable indexations of finite classes of constructive models}, journal = {Matemati\v{c}eskie zametki}, pages = {93--97}, publisher = {mathdoc}, volume = {40}, number = {1}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1986_40_1_a9/} }
V. P. Dobritsa. The number of computable indexations of finite classes of constructive models. Matematičeskie zametki, Tome 40 (1986) no. 1, pp. 93-97. http://geodesic.mathdoc.fr/item/MZM_1986_40_1_a9/