@article{IIGUM_2011_4_3_a13,
     author = {V. A. Srochko and V. G. Antonik and N. S. Rozinova},
     title = {Methods of bilinear approximations for solving optimal control problems},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {146--157},
     publisher = {mathdoc},
     volume = {4},
     number = {3},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2011_4_3_a13/}
}