@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/}
}