@article{IM2_2011_75_2_a6,
     author = {M. V. Plekhanova and V. E. Fedorov},
     title = {On the existence and uniqueness of solutions of optimal control problems of linear distributed systems which are not solved with respect to the time derivative},
     journal = {Izvestiya. Mathematics },
     pages = {395--412},
     publisher = {mathdoc},
     volume = {75},
     number = {2},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2011_75_2_a6/}
}