%0 Journal Article %A Y. J. Leung %A G. Schober %T Low order coefficient estimates in the class Σ %J Annales Fennici Mathematici %D 1986 %P 39-61 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1986.1111/ %R 10.5186/aasfm.1986.1111 %G en %F AFM_1986_11_1_a2