1. Averaging of ordinary differential equations with slowly varying averages;Artstein;Discrete Contin. Dyn. Syst. Ser.,2010
2. Z. Artstein, A. Vigodner, Singularly perturbed ordinary differential equations with dynamic limits. Preprint. The Weizmann Institute of Science, 1994.
3. Viability Theory;Aubin,1991
4. Differential Inclusions;Aubin,1984
5. Set-Valued Analysis;Aubin,1990