%0 Journal Article %A Sarason, Donald %T Approximation of Piecewise Continuous Functions by Quotients of Bounded Analytic Functions %J Canadian journal of mathematics %D 1972 %P 642-657 %V 24 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-060-9/ %R 10.4153/CJM-1972-060-9 %F 10_4153_CJM_1972_060_9