@article{CC_2009_38_4A_a4,
     author = {Tikhomirov, Vladimir M. and Demidovich, Vasily B.},
     title = {A few words about history of extremal problems at {Moscow} {University}},
     journal = {Control and Cybernetics},
     pages = {997--999},
     publisher = {mathdoc},
     volume = {38},
     number = {4A},
     year = {2009},
     zbl = {1236.49006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2009_38_4A_a4/}
}