@article{00223004,
title = {<title-group xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><article-title xml:lang="en"><math><mi>$\mathbb{R}$</mi></math>-trees and normalization of pseudogroups.</article-title></title-group>},
journal = {Experimental Mathematics},
volume = {1},
year = {1992},
pages = {95-114},
doi = {10.1080/10586458.1992.10504251},
zbl = {0772.58068},
language = {en},
url = {http://dml.mathdoc.fr/item/00223004}
}
Rimlinger, Frank. -trees and normalization of pseudogroups.. Experimental Mathematics, Tome 1 (1992) pp. 95-114. doi : 10.1080/10586458.1992.10504251. http://gdmltest.u-ga.fr/item/00223004/