• [1] Fred Brauer and James S. W. Wong, On asymptotic behavior of perturbed linear systems, J. Differential Equations 6 (1969), 142–153. MR 0239213 (39 #570)
• [2] W. A. Coppel, Stability and asymptotic behavior of differential equations, D. C. Heath and Co., Boston, Mass., 1965. MR 0190463 (32 #7875)
• [3] Nelson Onuchic, Nonlinear perturbation of a linear system of ordinary differential equations, Michigan Math. J. 11 (1964), 237–242. MR 0167692 (29 #4964)
• [4] M. Ráb, Note sur les formules asymptotiques pour les solutions d’un système d’équations différentielles linéaires, Czechoslovak Math. J. 16 (91) (1966), 127–129 (French, with Russian summary). MR 0188527 (32 #5965)
• [5] I. A. Torošelidze, The asymptotic behavior of solutions of certain nonlinear differential equations, Differencial′nye Uravnenija 3 (1967), 926–940 (Russian). MR 0219826 (36 #2904)

Bibliography

[1]

Fred Brauer and J. S. W. Wong, On asyptotic behavior of perturbed linear systems, J. Differential Equations 6 (1969), 142-153. MR 0239213 (39:570)

[2]

W. A. Coppel, Stability and asymptotic behavior of differential equations, Heath, Boston, Mass., 1965. MR 32 #7875. MR 0190463 (32:7875)

[3]

Nelson Onuchic, Nonlinear perturbation of a linear system of ordinary differential equations, Michigan Math. J. 11 (1964), 237-242. MR 29 #4964. MR 0167692 (29:4964)

[4]

M. Ráb, Note sur les formules asymptotiques pour les solutions d'un système d'équations différentielles linéaires, Czechoslovak Math. J. 16 (91) (1966), 127-129. MR 32 #5965. MR 0188527 (32:5965)

[5]

I. A. Torošelidze, The asymptotic behavior of solutions of certain nonlinear differential equations, Differencial'nye Uravnenija 3 (1967), 926-940. (Russian) MR 36 #2904. MR 0219826 (36:2904)