TY  - JOUR
AU  - Daniel Beltiţă
TI  - Spectrum for a solvable Lie algebra of operators
JO  - Studia Mathematica
PY  - 1999
SP  - 163
EP  - 178
VL  - 135
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm-135-2-163-178/
DO  - 10.4064/sm-135-2-163-178
LA  - en
ID  - 10_4064_sm_135_2_163_178
ER  -