Maintenance work on the ZORA database servers is scheduled for Thursday 25th July 2019 from 19:00-20:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Klatte, Diethard; Kruger, Alexander; Kummer, Bernd (2012). From convergence principles to stability and optimality conditions. Journal of Convex Anaylsis, 19(4):1043-1072.