@article{GDZPPN002418266,
title = {Normal and Power Endomorphisms of a Group.},
journal = {Mathematische Zeitschrift},
volume = {147},
year = {1976},
pages = {139-142},
zbl = {0324.20044},
url = {http://dml.mathdoc.fr/item/GDZPPN002418266}
}
Newell, Martin L. Normal and Power Endomorphisms of a Group.. Mathematische Zeitschrift, Tome 147 (1976) pp. 139-142. http://gdmltest.u-ga.fr/item/GDZPPN002418266/