%0 Journal Article %A L. Baratchart %A J. Leblond %A F. Seyfert %T Constrained extremal problems in~$H^2$ and Carleman's formulae %J Sbornik. Mathematics %D 2018 %P 922-957 %V 209 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2018_209_7_a1/ %G en %F SM_2018_209_7_a1