%0 Journal Article %A Fan Cheng, Martin %T On the approximation of continuous functions by polynomials on $(- \infty , \infty )$ and $(0, \infty )$ in terms of exponential weight factor %J Rendiconti del Seminario Matematico della Università di Padova %D 1966 %P 310-314 %V 36 %N 2 %I Seminario Matematico of the University of Padua %U http://www.numdam.org/item/RSMUP_1966__36_2_310_0/ %G en %F RSMUP_1966__36_2_310_0