Brajerčík, J.; Demko, M.; Krupka, D. Principal bundle structure on jet prolongations of frame bundles. (English) Zbl 1349.58003 Math. Slovaca 64, No. 5, 1277-1290 (2014). Reviewer: Miroslav Doupovec (Brno) MSC: 58A20 PDFBibTeX XMLCite \textit{J. Brajerčík} et al., Math. Slovaca 64, No. 5, 1277--1290 (2014; Zbl 1349.58003) Full Text: DOI
Brajerčík, Ján; Demko, Milan On sheaf spaces of partially ordered quasigroups. (English) Zbl 1295.06006 Quasigroups Relat. Syst. 22, No. 1, 51-58 (2014). MSC: 06F99 20N05 54B40 PDFBibTeX XMLCite \textit{J. Brajerčík} and \textit{M. Demko}, Quasigroups Relat. Syst. 22, No. 1, 51--58 (2014; Zbl 1295.06006)
Brajerčík, Ján; Demko, Milan Second order natural Lagrangians on coframe bundles. (English) Zbl 1299.53028 Miskolc Math. Notes 14, No. 2, 487-494 (2013). MSC: 53A55 58A10 58A20 PDFBibTeX XMLCite \textit{J. Brajerčík} and \textit{M. Demko}, Miskolc Math. Notes 14, No. 2, 487--494 (2013; Zbl 1299.53028)