TY  - JOUR
AU  - Marek Izydorek
AU  - Krzysztof P. Rybakowski
TI  - Multiple solutions of indefinite elliptic systems
  via a Galerkin-type Conley index theory
JO  - Fundamenta Mathematicae
PY  - 2003
SP  - 233
EP  - 249
VL  - 176
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm176-3-3/
DO  - 10.4064/fm176-3-3
LA  - en
ID  - 10_4064_fm176_3_3
ER  -