Communications on Pure and Applied Mathematics · 1970 · 17 citations · 6 references
Proper Quotient GroupsGroup Theory (Abstract Algebra)Frattini SubgroupOrdered GroupNilpotent Group
6
Mose Newman · Journal of the Franklin Institute · 1967 · 650 citations
A Topology for Free Groups and Related Groups
Marshall Hall · Annals of Mathematics · 1950 · 194 citations