TY  - JOUR
AU  - Nils Nilsson
TI  - Some Estimates for Eigenfunction Expansions and Spectral Functions Corresponding to Elliptic Differential Operators.
JO  - Mathematica Scandinavica
PY  - 1961
SP  - 107
EP  - 121
VL  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS2_1961__9_165769/
ID  - MS2_1961__9_165769
ER  -