Bergamasco, Adalberto Panobianco; Parmeggiani, Alberto; Zani, Sérgio Luís; Zugliani, Giuliano Angelo Geometrical proofs for the global solvability of systems. (English) Zbl 1406.58015 Math. Nachr. 291, No. 16, 2367-2380 (2018). MSC: 58J10 35A01 35N10 PDF BibTeX XML Cite \textit{A. P. Bergamasco} et al., Math. Nachr. 291, No. 16, 2367--2380 (2018; Zbl 1406.58015) Full Text: DOI
Bergamasco, Adalberto; Parmeggiani, Alberto; Zani, Sérgio; Zugliani, Giuliano Classes of globally solvable involutive systems. (English) Zbl 1382.58018 J. Pseudo-Differ. Oper. Appl. 8, No. 4, 551-583 (2017). Reviewer: Boris S. Kruglikov (Tromsø) MSC: 58J10 35A01 35N10 PDF BibTeX XML Cite \textit{A. Bergamasco} et al., J. Pseudo-Differ. Oper. Appl. 8, No. 4, 551--583 (2017; Zbl 1382.58018) Full Text: DOI