El-Nabulsi, Rami Ahmad Lagrangian and Hamiltonian dynamics with imaginary time. (English) Zbl 1276.70013 J. Appl. Anal. 18, No. 2, 283-295 (2012). MSC: 70H03 70H25 70H30 PDFBibTeX XMLCite \textit{R. A. El-Nabulsi}, J. Appl. Anal. 18, No. 2, 283--295 (2012; Zbl 1276.70013) Full Text: DOI
Vankerschaver, J.; Yoshimura, H.; Leok, M. The Hamilton-Pontryagin principle and multi-Dirac structures for classical field theoriesa). (English) Zbl 1277.70023 J. Math. Phys. 53, No. 7, 072903, 25 p. (2012). MSC: 70H25 70H03 70G45 53D05 53D17 70S05 78A25 PDFBibTeX XMLCite \textit{J. Vankerschaver} et al., J. Math. Phys. 53, No. 7, 072903, 25 p. (2012; Zbl 1277.70023) Full Text: DOI arXiv
Zhang, Yi; Mei, Fengxiang Fractional differential equations of motion in terms of Riesz fractional derivatives. (Chinese. English summary) Zbl 1274.70022 Trans. Beijing Inst. Technol. 32, No. 7, 766-770 (2012). MSC: 70H03 70H05 34A08 PDFBibTeX XMLCite \textit{Y. Zhang} and \textit{F. Mei}, Trans. Beijing Inst. Technol. 32, No. 7, 766--770 (2012; Zbl 1274.70022)
Holm, Darryl D.; Ivanov, Rossen I.; Percival, James R. \(G\)-strands. (English) Zbl 1339.37048 J. Nonlinear Sci. 22, No. 4, 517-551 (2012). MSC: 37K05 37K65 70H25 70H03 37M05 PDFBibTeX XMLCite \textit{D. D. Holm} et al., J. Nonlinear Sci. 22, No. 4, 517--551 (2012; Zbl 1339.37048) Full Text: DOI arXiv