@article{IIGUM_2023_46_a3,
     author = {Dmitri A. Ovsyannikov and Elena D. Kotina},
     title = {On some problems of trajectory beam program control. {Part~I}},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {51--65},
     year = {2023},
     volume = {46},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2023_46_a3/}
}