Steady state undamped vibrations of a class of nonlinear discrete systems

"Materials Laboratory, Contract no. AF 33(616)-5449. Project no. 7360."

On Newton-iterative methods for the solution of systems of nonlinear equations /

Based on the author's thesis, Yale.

The analysis and compensation of nonlinear sampled-data feedback systems.

"Research was supported by the United States Air Force through the Air Force Office of Scientific Research, Air Research and Development Command."

NONSAP : a structural analysis program for static and dynamic response of nonlinear systems /

Photocopy of original: Berkeley : Structural Engineering Laboratory, University of California, 1974.

On the necessary condition for optimal control of nonlinear systems.

"Prepared under contract Nonr-225(11) (NR-041-086) for Office of Naval Research."