%0 Journal Article
%A Shiu-Yuen Cheng
%T Eigenfunctions and Nodal Sets
%J Commentarii mathematici Helvetici
%D 1976
%P 43-56
%V 51
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1976__51_139642/
%F CMH_1976__51_139642