Asymptotic almost periodicity of solutions of a system of differential equations

W. R. Utz, Paul Waltman
1967 Proceedings of the American Mathematical Society  
|]y(0)|| 3ia, ||y(xeie)|| ^ue(x) on [0, r(8)), of significance up to the first positive zero of Ue-References 1. K. M. Das, Singularity-free regions for solutions of 2nd order non-linear differential equations,
doi:10.1090/s0002-9939-1967-0212285-6 fatcat:nwpi477hfnbq7p3hyv4breq5p4