Kushner, Alexei G.; Lychagin, Valentin V. Petrov invariants for 1-D control Hamiltonian systems. (English) Zbl 1296.37046 Glob. Stoch. Anal. 2, No. 1, 89-100 (2012). MSC: 37J15 53D05 53D10 53D17 53D22 70G65 70G45 70H05 70H15 93C10 PDFBibTeX XMLCite \textit{A. G. Kushner} and \textit{V. V. Lychagin}, Glob. Stoch. Anal. 2, No. 1, 89--100 (2012; Zbl 1296.37046)
Vaisman, Izu Weak-Hamiltonian dynamical systems. (English) Zbl 1152.81624 J. Math. Phys. 48, No. 8, 082903, 13 p. (2007). MSC: 37J05 53D17 70G45 70H05 93B27 PDFBibTeX XMLCite \textit{I. Vaisman}, J. Math. Phys. 48, No. 8, 082903, 13 p. (2007; Zbl 1152.81624) Full Text: DOI arXiv