A note on: ''The asymptotic behavior of a class of nonlinear differential equations of second order" [Proc.\ Amer.\ Math.\ Soc.\ {\bf 84} (1982), no.\ 2, 235–236; MR0637175 (83d:34062)] by J. C. Tong

Fan Wei Meng
1990 Proceedings of the American Mathematical Society  
In this paper we point out an error in paper [2] and study the asymptotic behavior of the differential equation L"x + f(t,x) = r(t). The results obtained are extensions of some of the results of [2] . "~ pn(t)dtpn_x(t)dt'" dtpx(t)dtp0(tY -
doi:10.1090/s0002-9939-1990-0993758-8 fatcat:mct5tn2bjrbtjp5xfiepqqxr6u