%0 Journal Article
%A Jih-Hsin Cheng
%T On the Curvature of CR-Structures and its Covariant Derivatives.
%J Mathematische Zeitschrift
%D 1987
%P 203-210
%V 196
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1987__196_173875/
%F MZ_1987__196_173875