@article{PPN362162808_0014+dmdlog7,
title = {A note on a problem of Hua.},
journal = {Semigroup forum},
volume = {14},
year = {1977},
pages = {7-14},
zbl = {0358.20066},
url = {http://dml.mathdoc.fr/item/PPN362162808_0014+dmdlog7}
}
Shyr, H.J.; Reis, C. M. A note on a problem of Hua.. Semigroup forum, Tome 14 (1977) pp. 7-14. http://gdmltest.u-ga.fr/item/PPN362162808_0014+dmdlog7/