2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/40834This is an abstract of authors PhD thesis which is devoted to studies of quantum field models with strong coupling. The {\em Schwinger-Dyson equations} (SDEs) in momentum representation are solved in Minkowski space. The original version of the paper hep-ph/0108160 is included in. The full text of author's PhD thesis can be found at this WWW: 'http://gemma.ujf.cas.cz/~sauli/papers.html'Abstract of PhD Thesis, 25 pagesHigh Energy Physics - Phenomenologytext