@article{SM_2000_191_6_a3,
     author = {A. B. Kurzhanskii and N. B. Melnikov},
     title = {On the problem of control synthesis: the {Pontryagin} alternating integral and {the~Hamilton{\textendash}Jacobi} equation},
     journal = {Sbornik. Mathematics},
     pages = {849--881},
     year = {2000},
     volume = {191},
     number = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2000_191_6_a3/}
}