@article{CC_2007_36_4_a9,
     author = {Malanowski, K.},
     title = {Book review: {"An} {Invitation} to {Variational} {Methods} in {Differential} {Equations"} by {D.} {G.} {Costa}},
     journal = {Control and Cybernetics},
     pages = {1045--1046},
     publisher = {mathdoc},
     volume = {36},
     number = {4},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2007_36_4_a9/}
}