Hou, T.
Article History
Received: 13 September 2017
Accepted: 31 January 2018
First Online: 28 August 2018
Change Date: 12 December 2018
Change Type: Erratum
Change Details: Page 268 (and Contents), the title should read as follows:A Posteriori Error Estimates of a Mixed Finite Element Method for Elliptic Optimal Control Problems with an Integral Constraint.