TY  - JOUR
AU  - Wiesław Cupała
TI  - The upper bound of the number of eigenvalues for a class of perturbed Dirichlet forms
JO  - Studia Mathematica
PY  - 1995
SP  - 109
EP  - 125
VL  - 113
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm-113-2-109-125/
DO  - 10.4064/sm-113-2-109-125
LA  - en
ID  - 10_4064_sm_113_2_109_125
ER  -