TY  - BOOK
AU  - Sario Leo
TI  - Classification theory of Riemannian manifoldsd: harmonic,quasiharmonic and biharmonic functions
U1  - 515.53 
PY  - 1977///
CY  - Berlin
PB  - Springer Verlag
KW  - Harmonic functions
KW  - Riemannian manifolds
ER  -