1.
, . Spectral theory and differential equations. Berlin, New York: Springer-Verlag; 1975.
et . Spectral theory and differential equations. Berlin, New York : Springer-Verlag, 17 mai 1975. ISBN 0-387-07150-4
Symposium on Spectral Theory and Differential Equations & Everitt William Norrie. (1975). Spectral theory and differential equations: Proceedings of the symposium held at Dundee, Scotland, 1-19 July 1974. Springer-Verlag.
Style de citation MLA (8e éd.)Symposium on Spectral Theory and Differential Equations et Everitt William Norrie. Spectral Theory and Differential Equations: Proceedings of the Symposium Held at Dundee, Scotland, 1-19 July 1974. Springer-Verlag, 1975.
Attention : ces citations peuvent ne pas être correctes à 100%.