%0 Journal Article %A N. N. Osipov %T Bellman function for a~parametric family of extremal problems in~$\mathrm{BMO}$ %J Zapiski Nauchnykh Seminarov POMI %D 2018 %P 128-142 %V 467 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2018_467_a11/ %G ru %F ZNSL_2018_467_a11