@article{JCA_2007_14_4_JCA_2007_14_4_a4,
     author = {E. Muselli},
     title = {Affinity and {Well-Posedness} for {Optimal} {Control} {Problems} in {Hilbert} {Spaces}},
     journal = {Journal of convex analysis},
     pages = {767--784},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/JCA_2007_14_4_JCA_2007_14_4_a4/}
}