@article{IIGUM_2017_19_a14,
     author = {V. A. Srochko},
     title = {The simplest nonconvex control problem. {The} maximum principle and sufficient optimality conditions},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {184--194},
     publisher = {mathdoc},
     volume = {19},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2017_19_a14/}
}