@Article{ Hosseini.Pouryayevali:2013, author = {Hosseini, S. and Pouryayevali, M. R.}, title = {Nonsmooth optimization techniques on {R}iemannian manifolds}, journal = {J. Optim. Theory Appl.}, fjournal = {Journal of Optimization Theory and Applications}, volume = {158}, year = {2013}, number = {2}, pages = {328--342}, doi = {10.1007/s10957-012-0250-z}, annote = {journal}, pdf = {http://neitzel.ins.uni-bonn.de/research/pub/hosseini/journal4.pdf} }