@article{M2AN_2014__48_6_1615_0,
     author = {K\"archer, Mark and Grepl, Martin A.},
     title = {\protect\emph{A {Posteriori} {}Error} {Estimation} for {Reduced} {Order} {Solutions} of {Parametrized} {Parabolic} {Optimal} {Control} {Problems}},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {1615--1638},
     publisher = {EDP-Sciences},
     volume = {48},
     number = {6},
     year = {2014},
     doi = {10.1051/m2an/2014012},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an/2014012/}
}