%0 Journal Article %A Pan, K. %A Saff, E. B. %T Best Polynomial Approximation with Linear Constraints %J Canadian journal of mathematics %D 1992 %P 1289-1302 %V 44 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1992-077-5/ %R 10.4153/CJM-1992-077-5 %F 10_4153_CJM_1992_077_5