%0 Journal Article %A Du, Xiuhong %A Sarkis, Marcus %A Schaerer, Christian E. %A Szyld, Daniel B. %T Inexact and truncated parareal-in-time Krylov subspace methods for parabolic optimal control problems %J Electronic transactions on numerical analysis %D 2013 %P 36-57 %V 40 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2013__40__a23/ %G en %F ETNA_2013__40__a23