TY  - JOUR
AU  - Shmuel Friedland
TI  - Extremal eigenvalue problems defined on conformal classes of compact Riemannian manifolds.
JO  - Commentarii mathematici Helvetici
PY  - 1979
SP  - 494
EP  - 507
VL  - 54
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1979__54_139799/
ID  - CMH_1979__54_139799
ER  -