@article{VTPMK_2017_4_a6,
     author = {S. Yu. Graf and Ya. I. Samoylova},
     title = {On regularity of decreasing of convexity order in $C(\alpha)$ classes},
     journal = {Vestnik Tverskogo gosudarstvennogo universiteta. Seri\^a Prikladna\^a matematika},
     pages = {85--99},
     publisher = {mathdoc},
     number = {4},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTPMK_2017_4_a6/}
}