Bergamasco, Adalberto P.; de Medeira, Cleber; Kirilov, Alexandre; Zani, Sérgio L. On the global solvability of involutive systems. (English) Zbl 1359.37107 J. Math. Anal. Appl. 444, No. 1, 527-549 (2016). MSC: 37F75 32M25 35S05 35F05 PDF BibTeX XML Cite \textit{A. P. Bergamasco} et al., J. Math. Anal. Appl. 444, No. 1, 527--549 (2016; Zbl 1359.37107) Full Text: DOI
Bergamasco, Adalberto P.; Petronilho, Gerson Closedness of the range for vector fields on the torus. (English) Zbl 0926.35030 J. Differ. Equations 154, No. 1, 132-139 (1999). Reviewer: Messoud Efendiev (Berlin) MSC: 35F05 47F05 47A05 37N99 PDF BibTeX XML Cite \textit{A. P. Bergamasco} and \textit{G. Petronilho}, J. Differ. Equations 154, No. 1, 132--139 (1999; Zbl 0926.35030) Full Text: DOI
Bergamasco, A.; Cordaro, P.; Hounie, J. Global properties of a class of vector fields in the plane. (English) Zbl 0662.58021 J. Differ. Equations 74, No. 2, 179-199 (1988). Reviewer: N.Jacob MSC: 37J35 37K10 PDF BibTeX XML Cite \textit{A. Bergamasco} et al., J. Differ. Equations 74, No. 2, 179--199 (1988; Zbl 0662.58021) Full Text: DOI