On positive solutions of fractional pantograph equations within function-dependent kernel Caputo derivatives - Dida, Ridha; Boulares, Hamid; Abdalla, Bahaaeldin; Alqudah, Manar A.; Abdeljawad, Thabet (AIMS mathematics, 2023)
Keywords: fixed point theorem; fractional differential equations; positive solution; psi $-caputo fractional derivative