Efficient presentations of the group $\mathrm{PSL}(2, Z_n) \times \mathrm{PSL}(2, Z_m)$, for certain $n$, $m$. Authors Bilal Vatansever DOI: https://doi.org/10.7146/math.scand.a-12618 Downloads PDF Published 1997-12-01 Issue Vol. 80 (1997) Section Articles