1. Functional A Posteriori Error Estimates for Time-Periodic Parabolic Optimal Control Problems. (2nd October 2016) Authors: Langer, Ulrich; Repin, Sergey; Wolfmayr, Monika Journal: Numerical functional analysis and optimization Issue: Volume 37:Number 10(2016) Page Start: 1267 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗