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Now showing items 1-10 of 13
On the role of first integrals in the perturbation of periodic solutions
(The Johns Hopkins University, 1955-04-01)
On a conjecture of Montgomery
(1957-06)
On the perturbation of a periodic solution when the variational system has non-trivial periodic solutions
(The Johns Hopkins University, 1955-01-20)
On existence in the large of solutions of hyperbolic partial differential equations
(The Johns Hopkins University, 1960-07)
Families of periodic solutions of systems having relatively invariant line integrals
(The Johns Hopkins University, 1954-06-20)
Recent work on families of periodic solutions of differential equations
(The Johns Hopkins University, 1959-06-30)
Periodic solutions of differential equations containing a parameter
(The Johns Hopkins University, 1953-12-18)