@article{TRSPY_2018_303_a17,
     author = {I. G. Tsar'kov},
     title = {Weakly monotone sets and continuous selection from a near-best approximation operator},
     journal = {Informatics and Automation},
     pages = {246--257},
     publisher = {mathdoc},
     volume = {303},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2018_303_a17/}
}