%0 Journal Article %A A. A. Pekarskii %T Conjugate functions and their connection with uniform rational and piecewise-polynomial approximations %J Sbornik. Mathematics %D 2015 %P 333-340 %V 206 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2015_206_2_a7/ %G en %F SM_2015_206_2_a7