TY  - JOUR
AU  - Waldemar Hebisch
TI  - Almost everywhere summability of eigenfunction expansions associated to elliptic operators
JO  - Studia Mathematica
PY  - 1990
SP  - 263
EP  - 275
VL  - 96
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm-96-3-263-275/
DO  - 10.4064/sm-96-3-263-275
LA  - en
ID  - 10_4064_sm_96_3_263_275
ER  -