1. On continuability of solutions of second order differential equations;Burton,1971
2. On the asymptotic behavior of solutions of x″ + a (t) f (x) = e (t);Burton;Pacific J. Math.,1972
3. Oscillation, continuation, and uniqueness of solutions of retarded differential equations;Burton;Trans. Amer. Math. Soc.,1973
4. T. A. Burton, Noncontinuation of solutions of differential equations of order n, unpublished.
5. Introduction to the Theory of Differential Equations with Deviating Arguments;El'sgol'ts,1966