Pouso, Rodrigo López, Ignacio Márquez Albés, and Jorge Rodríguez-López. “Transversality Conditions for the Existence of Solutions of First-Order Discontinuous Functional Differential Equations”. Topological Methods in Nonlinear Analysis 58, no. 1 (September 12, 2021): 1–17. Accessed February 23, 2026. https://apcz.umk.pl/TMNA/article/view/35216.