@article{DMDICO_2007_27_1_a9,
     author = {Szymkat, Maciej and Korytowski, Adam},
     title = {Evolution of structure for direct control optimization},
     journal = {Discussiones Mathematicae. Differential Inclusions, Control and Optimization},
     pages = {165--193},
     year = {2007},
     volume = {27},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMDICO_2007_27_1_a9/}
}