(1981). Spectral theory of differential operators: Proceedings of the conference held at the University of Alabama in Birmingham, Birmingham, Alabama, U.S.A., March 26-28, 1981. North-Holland.
Chicago-Zitierstil (17. Ausg.)Spectral Theory of Differential Operators: Proceedings of the Conference Held at the University of Alabama in Birmingham, Birmingham, Alabama, U.S.A., March 26-28, 1981. Amsterdam ; New York: North-Holland, 1981.
MLA-Zitierstil (9. Ausg.)Spectral Theory of Differential Operators: Proceedings of the Conference Held at the University of Alabama in Birmingham, Birmingham, Alabama, U.S.A., March 26-28, 1981. North-Holland, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.