%0 Journal Article %A Paata Ivanishvili %A Nikolay N. Osipov %A Dmitriy M. Stolyarov %A Vasily I. Vasyunin %A Pavel B. Zatitskiy %T On Bellman function for extremal problems in BMO %J Comptes Rendus. Mathématique %D 2012 %P 561-564 %V 350 %N 11-12 %I Elsevier %R 10.1016/j.crma.2012.06.011 %G en %F CRMATH_2012__350_11-12_561_0