[2] J. Šimša:
Asymptotic integration of perturbed linear differential equations under conditions involving ordinary integral convergence. SIAM J. Math. Anal. 15 (1984), 116-123.
DOI 10.1137/0515007 |
MR 0728686
[3] J. Šimša:
The second order differential equation with oscillatory coefficient. Arch. Math. (Brno) 18(1982) 95-100.
MR 0683351
[4] J. Šimša:
The condition of ordinary integral convergence in the asymptotic theory of linear differential equations with almost constant coefficients. SIAM J. Math. Anal. 16 (1985) 757-769.
DOI 10.1137/0516057 |
MR 0793920
[6] W. F. Trench:
Linear perturbations of a constant coefficient differential equation subject to mild integral smallness conditions. submitted for publication.
Zbl 0623.34059