[1]
H. . KADARI, A. . OUMANSOUR, J. R. . GRAEF, and A. . OUAHAB, “Existence of positive solutions to impulsive nonlinear differential systems of second order with two-point boundary conditions”, Stud. Univ. Babeş-Bolyai Math., vol. 69, no. 3, pp. 639–649, Sep. 2024.