Pierre H. Berard
Spectral Geometry - 1986 - Heidelberg Springer Berlin 1986 - Monograph - Lecture Notes in Mathematics v.1207 .
9783540409588
Mathematics and Statistics
Spectral Geometry - 1986 - Heidelberg Springer Berlin 1986 - Monograph - Lecture Notes in Mathematics v.1207 .
9783540409588
Mathematics and Statistics