Jorgens Konrad Spectral properties of hamiltonian operators Jorgens Konrad; Weidmann Joachim - Berlin Springer-Verlag 1973 - 140p. cm. - Lecture notes in mathematics; 313 . Appendix 133-137p. Standard No.: 25299 Source: Textual Subjects--Topical Terms: GeometryMathematics Dewey Class. No.: B7:13, L3