Suppose a manifold M has a codimension one, transversely orientable foliation without holonomy, and L is a leaf. We give a simple, purely topological proof of the theorem that π1(L) is a normal ...

Mathematical Proceedings of the Royal Irish Academy, Vol. 107A, No. 2 (DECEMBER 2007), pp. 143-152 (10 pages) It is known that (generalized) soluble groups in which every non-normal subgroup is ...