@article{TIMM_2015_21_1_a26,
     author = {A. V. Chernov},
     title = {On piecewise constant approximation in distributed optimization problems},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {264--279},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2015_21_1_a26/}
}