机译:Periodic solutions of nonlinear fractional pantograph integro-differential equations with Ψ-documentclass12pt{minimal} usepackage{amsmath} usepackage{wasysym} usepackage{amsfonts} usepackage{amssymb} usepackage{amsbsy} usepackage{mathrsfs} usepackage{upgreek} setlength{oddsidemargin}{-69pt} begin{document}$$Psi -$$end{document}Caputo derivative
University Hassiba Benbouali of Chlef;
University of Saïda–Dr. Moulay Tahar;
University of Sidi Bel-Abbes;
Coincidence degree theory; Existence; Uniqueness; Ψdocumentclass12pt{minimal} usepackage{amsmath} usepackage{wasysym} usepackage{amsfonts} usepackage{amssymb} usepackage{amsbsy} usepackage{mathrsfs} usepackage{upgreek} setlength{oddsidemargin}{-69pt} begin{document}$$Psi $$end{document}-Caputo fractional derivative; 34A08; 34B10; 34B40;