%0 Journal Article %A Lizhong Peng %A %A %T Orthogonal polynomials and middle Hankel operators on Bergman spaces %J Studia Mathematica %D 1992 %P 57-75 %V 102 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-102-1-57-75/ %R 10.4064/sm-102-1-57-75 %G en %F 10_4064_sm_102_1_57_75