Zachary_W._W.
Mathematical methods and applications of scattering theory :proceedings of a conference held at Catholic University, Washington, D.C., May 21-25, 1979 ; edited by J. A. DeSanto, A. W. Saaenz, and W. W. Zachary
Nonlinear semigroups, partial differential equations and attractors : proceedings of a symposium held in Washington, D.C., August 5-8, 1985
The Physics of phase space : nonlinear dynamics and chaos, geometric quantization, and wigner function
XIIIth International Colloquium on Group Theoretical Methods in Physics, College Park, Maryland, USA, 21-25 May, 1984