1. Banach Function Spaces;Luxemburg,1955
2. Convex Functions and Orlicz Spaces;Krasnosel'skii,1961
3. Sobolev Spaces;Adams,1975
4. Talk delivered at the 87th Annual Meeting of the American Mathematical Society;Vuillermot,1981
5. On the existence of classical periodic orbits in a class of nonlinear Hill's equations;Vuillermot,1981