TY  - JOUR
AU  - Lingju Kong and Roger Nichols
TI  - Multiple Weak Solutions of Biharmonic Systems
JO  - Minimax theory and its applications
PY  - 2022
VL  - 7
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/MTA_2022_7_1_a3/
ID  - MTA_2022_7_1_a3
ER  -