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Brauer, F. and Nohel, J.A. (1969) The Qualitative Theory of Ordinary Differential Equations. An Introduction. Dover Publications, Inc.

has been cited by the following article:

• TITLE: Theoretically Expected Phase Portrait of an Initial Value Problem with Periodic Piecewise Continuous Functions

  AUTHORS: Hugo Ramón Olmedo Mareco

  KEYWORDS: Ordinary Linear Nonhomogeneous Differential Equation, One-Sided Limits

  JOURNAL NAME: International Journal of Modern Nonlinear Theory and Application, Vol.13 No.3, November 27, 2024

  ABSTRACT: This work predicts theoretically the phase portrait including the existence and uniqueness of ω-limit cycle for an initial value problem y( 0 )= y 0 with an ordinary differential equation y ′ +py=f in which p and f are L-periodic piecewise continuous functions.