@article{1270041993,
author = {OKAMOTO, Keishi},
title = {Normal Elementary Maps},
journal = {Tokyo J. of Math.},
volume = {21},
number = {2},
year = {1998},
pages = { 153-158},
language = {en},
url = {http://dml.mathdoc.fr/item/1270041993}
}
OKAMOTO, Keishi. Normal Elementary Maps. Tokyo J. of Math., Tome 21 (1998) no. 2, pp. 153-158. http://gdmltest.u-ga.fr/item/1270041993/