@article{IIGUM_2011_4_2_a2,
     author = {A. S. Antipin},
     title = {The method of modified {Lagrange} function for optimal control problem},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {27--44},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2011_4_2_a2/}
}