RT info:eu-repo/semantics/article T1 The Propagators for δ and δ′ Potentials With Time-Dependent Strengths A1 Erman, Fatih A1 Gadella Urquiza, Manuel A1 Uncu, Haydar AB Ver abstract YR 2020 FD 2020 LK http://uvadoc.uva.es/handle/10324/40867 UL http://uvadoc.uva.es/handle/10324/40867 LA eng NO Front. Phys. 8:65 (2020) DS UVaDOC RD 29-dic-2024