TY  - BOOK
AU  - International Symposiu, held at the University of Puerto Rico, Mayaguez, Puerto Rico, December 27-30,1965
AU  - Hale, Jack K., ed.
AU  - Lasalle, Joseph P., ed.
TI  - Differential equations and dynamical systems - Proceedings
U1  - 515.35 
PY  - 1967///
CY  - New York
PB  - Academic Press
ER  -