@article{IIGUM_2013_6_3_a9,
     author = {V. P. Poplevko and E. A. Lutkovskaya and E. V. Tuchnolobova},
     title = {Maximum principle for optimal control problem by thermal process},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {117--123},
     publisher = {mathdoc},
     volume = {6},
     number = {3},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2013_6_3_a9/}
}