%0 Journal Article %A P. A. Borodin %T Approximation by simple partial fractions with constraints on the poles %J Sbornik. Mathematics %D 2012 %P 1553-1570 %V 203 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2012_203_11_a1/ %G en %F SM_2012_203_11_a1