@article{ZVMMF_2008_48_2_a4,
     author = {M. I. Sumin and E. V. Trushina},
     title = {Minimizing sequences in optimal control with approximately given input data and the regularizing properties of the {Pontryagin} maximum principle},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {220--236},
     publisher = {mathdoc},
     volume = {48},
     number = {2},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2008_48_2_a4/}
}