[1] G. Aumann: Reelle Funktionen. Springer-Verlag Berlin, Heidelberg, New York 1969. MR 0061652 | Zbl 0181.05801

[2] D. Franková: Continuous dependence on a parameter of solutions of generalized differential equations. Časopis pěst. mat. (to appear). MR 1016632

[3] Ch. S. Hönig: Volterra-Stieltjes Integral Equations. North-Holland Amsterdam 1975. MR 0499969

[4] Ph. Hartman: Ordinary Differential Equations. John Wiley & Sons New York, London, Sydney 1964. MR 0171038 | Zbl 0125.32102

[5] K. Kreith: Sturm-Liouville oscillations in the presence of strong impulses. Colloquia Mathematica Soc. J. Bolyai, 47, Differential Equations: Qualitative Theory, Szeged (1984), 573-589. MR 0890566

[6] Š. Schwabik: Generalized Differential Equations. Fundamental results. Rozpravy ČSAV, Academia Praha 1985. MR 0823224 | Zbl 0594.34002

[7] Š. Schwabik: Generalized Sturm-Liouville equations. Archivum Mathematicum (Brno), Vol. 23, No. 2 (1987), 95-107. MR 0930326 | Zbl 0632.34004