@article{JCA_2012_19_1_JCA_2012_19_1_a15,
     author = {U. F. Prieto and P. Pedregal},
     title = {A {General} {Lower} {Bound} for the {Relaxation} of an {Optimal} {Design} {Problem} with a {General} {Quadratic} {Cost} {Functional,} and a {General} {Linear} {State} {Equation}},
     journal = {Journal of convex analysis},
     pages = {281--294},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {2012},
     url = {http://geodesic.mathdoc.fr/item/JCA_2012_19_1_JCA_2012_19_1_a15/}
}