%0 Journal Article %A Hallam, Thomas G. %T Asymptotic integration of a nonhomogeneous differential equation with integrable coefficients %J Czechoslovak Mathematical Journal %D 1971 %P 661-671 %V 21 %N 4 %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1971.101066/ %R 10.21136/CMJ.1971.101066 %G en %F 10_21136_CMJ_1971_101066