@article{bwmeta1.element.bwnjournal-article-fmv135i1p15bwm,
author = {R. Shortt},
title = {Normal subgroups of measurable automorphisms},
journal = {Fundamenta Mathematicae},
volume = {134},
year = {1990},
pages = {177-187},
zbl = {0735.28004},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv135i1p15bwm}
}
Shortt, R. Normal subgroups of measurable automorphisms. Fundamenta Mathematicae, Tome 134 (1990) pp. 177-187. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv135i1p15bwm/