@article{ZVMMF_2010_50_8_a3,
     author = {Ni Min' Kan' and M. G. Dmitriev},
     title = {Steplike contrast structure in an elementary optimal control problem},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1381--1392},
     publisher = {mathdoc},
     volume = {50},
     number = {8},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2010_50_8_a3/}
}