Ruzhansky, M. Spectral geometry of partial differential operators / Michael Ruzhansky, Makhmud Sadybekov, Durvudkhan Suragan - xi, 366 páginas - Monographs and research notes in mathematics . ISBN: 9781138360716 Subjects--Topical Terms: Geometría espectralOperadores diferenciales parciales LC Class. No.: QA614.95 / R89 Dewey Class. No.: 516.3/62