@article{CC_2009_38_4B_a4,
     author = {Gurman, Vladimir I.},
     title = {Degeneracy and generalized solutions of optimal control problems},
     journal = {Control and Cybernetics},
     pages = {1341--1358},
     publisher = {mathdoc},
     volume = {38},
     number = {4B},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2009_38_4B_a4/}
}