@Article{ Movahedi.Behmardi.Hosseini:2015, author = {Movahedi, Mina and Behmardi, Daryoush and Hosseini, Seyedehsomayeh}, title = {On the density theorem for the subdifferential of convex functions on {H}adamard spaces}, journal = {Pacific J. Math.}, fjournal = {Pacific Journal of Mathematics}, volume = {276}, year = {2015}, number = {2}, pages = {437--447}, doi = {10.2140/pjm.2015.276.437}, annote = {journal}, pdf = {http://neitzel.ins.uni-bonn.de/research/pub/hosseini/6.pdf} }