De Jager, E. M. (1974). Spectral theory and asymptotics of differential equations: Proceedings. Elsevier.
Dyfyniad Arddull ChicagoDe Jager, E. M. Spectral Theory and Asymptotics of Differential Equations: Proceedings. New York: Elsevier, 1974.
Dyfyniad MLADe Jager, E. M. Spectral Theory and Asymptotics of Differential Equations: Proceedings. Elsevier, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.