%0 Journal Article %A Rahman, Q. I. %A Schmeisser, G. %T On Rational Approximation on the Positive Real Axis %J Canadian journal of mathematics %D 1977 %P 180-192 %V 29 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-018-2/ %R 10.4153/CJM-1977-018-2 %F 10_4153_CJM_1977_018_2