Higher generation subgroup sets and the -invariants of graph groups
John Meier
Lafayette College, Easton, USAL. VanWyk
James Madison University, Harrisonburg, USAH. Meinert
J. W. Goethe-Universität, Frankfurt A.M., Germany

Cite this article
John Meier, L. VanWyk, H. Meinert, Higher generation subgroup sets and the -invariants of graph groups. Comment. Math. Helv. 73 (1998), no. 1, pp. 22–44
DOI 10.1007/S000140050044