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On exact values of quasiwidths for some classes of differentiable periodic functions of two variables

✍ Scribed by M. Sh. Shabozov; M. O. Akobirshoev


Publisher
Springer
Year
2009
Tongue
English
Weight
132 KB
Volume
61
Category
Article
ISSN
0041-5995

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Periodic Boundary Value Problems for a C
✍ Eduardo Liz; J.J. Nieto πŸ“‚ Article πŸ“… 1996 πŸ› Elsevier Science 🌐 English βš– 122 KB

In this paper we show that the method of upper and lower solutions coupled with the monotone iterative technique is valid to obtain constructive proofs of existence of solutions for nonlinear periodic boundary value problems of functional differential equations without assuming properties of monoton