We study direct decompositions of extensions of rigid completely decomposable groups by finite primary groups. These decompositions are unique and can be found by finite procedures. By passing to certain quotients the determination of the direct decompositions is made more efficient.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-cm88-2-5, author = {Adolf Mader and Otto Mutzbauer}, title = {Decompositions of local rigid ACD groups}, journal = {Colloquium Mathematicae}, volume = {89}, year = {2001}, pages = {225-242}, zbl = {0981.20043}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm88-2-5} }
Adolf Mader; Otto Mutzbauer. Decompositions of local rigid ACD groups. Colloquium Mathematicae, Tome 89 (2001) pp. 225-242. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm88-2-5/