@article{IIGUM_2012_5_3_a5,
     author = {E. A. Lutkovskaya},
     title = {Numerical methods based on variational maximum principle for solving the problem of optimal control of nonlinear wave processes},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {63--72},
     publisher = {mathdoc},
     volume = {5},
     number = {3},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2012_5_3_a5/}
}