A certain hierarchy of sets. II
Algebra i logika, Tome 7 (1968) no. 4, pp. 15-47
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@article{AL_1968_7_4_a1,
author = {Yu. L. Ershov},
title = {A certain hierarchy of sets. {II}},
journal = {Algebra i logika},
pages = {15--47},
publisher = {mathdoc},
volume = {7},
number = {4},
year = {1968},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/AL_1968_7_4_a1/}
}
Yu. L. Ershov. A certain hierarchy of sets. II. Algebra i logika, Tome 7 (1968) no. 4, pp. 15-47. http://geodesic.mathdoc.fr/item/AL_1968_7_4_a1/