@article{1200685928,
author = {Yamabe, Hidehiko},
title = {On an extension of the Helly's theorem},
journal = {Osaka Math. J.},
volume = {2},
number = {1},
year = {1950},
pages = { 15-17},
language = {en},
url = {http://dml.mathdoc.fr/item/1200685928}
}
Yamabe, Hidehiko. On an extension of the Helly's theorem. Osaka Math. J., Tome 2 (1950) no. 1, pp. 15-17. http://gdmltest.u-ga.fr/item/1200685928/