1. Conformally covariant equations on differential forms;Branson;Comm. P.D.E.,1982
2. Decay of classical Yang-Mills fields;Glassey;Comm. Math. Phys.,1979
3. The limiting amplitude principle;Morawetz;Comm. Pure Appl. Math.,1962
4. Mathematical Cosmology and Extragalactic Astronomy;Segal,1976
5. La decroissance asymptotique des solutions des équations d'onde nonlinéaires;Strauss;C. R. Acad. Sci.,1963