%0 Journal Article %A Vadim Komkov %A Carter Waid %T Asymptotic behavior of non-linear inhomogeneous equations via non-standard analysis. Part I. Second order equations %J Annales Polonici Mathematici %D 1973 %P 67-87 %V 28 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-28-1-67-87/ %R 10.4064/ap-28-1-67-87 %G en %F 10_4064_ap_28_1_67_87