Attia, C. ., S. Mechrouk, and O. . Saifi. “Existence and Multiplicity of Positive Unbounded Solutions for Singular BVPs With the φ-Laplacian Operator on the Half Line”. Proyecciones (Antofagasta, On Line), vol. 41, no. 1, Jan. 2022, pp. 1-22, doi:10.22199/issn.0717-6279-4658.