Hsiang, Wu-YiWu-YiHsiang2010-10-152018-06-282010-10-152018-06-282006-01http://ntur.lib.ntu.edu.tw//handle/246246/216248en-USOn the volume formulas of cones and orthogonal multi-cones in $S\sp n(1)$ and $H\sp n(-1)$.journal article