@article{CC_2009_38_4A_a0,
     author = {Ioffe, Alexander and Malanowski, Kazimierz and Tr\"oltzsch, Fredi},
     title = {Preface},
     journal = {Control and Cybernetics},
     pages = {915--916},
     publisher = {mathdoc},
     volume = {38},
     number = {4A},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2009_38_4A_a0/}
}