%T Polynomial approximation with special doubling weights %L acta15962 %N 1-2 %P 159-184 %O Bibliogr.: p. 183-184.; Abstract %D 2003 %J Acta scientiarum mathematicarum %V 69 %K Matematika %A De Bonis Maria Carmela %A Mastroianni Giuseppe %A Russo Maria Grazia