%0 Journal Article
%A Nils Nilsson
%T Some Estimates for Eigenfunction Expansions and Spectral Functions Corresponding to Elliptic Differential Operators.
%J Mathematica Scandinavica
%D 1961
%P 107-121
%V 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MS2_1961__9_165769/
%F MS2_1961__9_165769