@article{1195522021,
author = {Tanaka, Hisao},
title = {Some properties of $\sum\nolimits\_1^1$- and $\prod\nolimits\_1^1$-sets in $N^N $},
journal = {Proc. Japan Acad.},
volume = {42},
number = {5},
year = {1966},
pages = { 304-307},
language = {en},
url = {http://dml.mathdoc.fr/item/1195522021}
}
Tanaka, Hisao. Some properties of $\sum\nolimits_1^1$- and $\prod\nolimits_1^1$-sets in $N^N $. Proc. Japan Acad., Tome 42 (1966) no. 5, pp. 304-307. http://gdmltest.u-ga.fr/item/1195522021/