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Bruce, Aaron T.; McLenaghan, Raymond G.; Smirnov, Roman G. A geometrical approach to the problem of integrability of Hamiltonian systems by separation of variables. (English) Zbl 1012.70013 J. Geom. Phys. 39, No. 4, 301-322 (2001). MSC: 70H06 70G45 PDFBibTeX XMLCite \textit{A. T. Bruce} et al., J. Geom. Phys. 39, No. 4, 301--322 (2001; Zbl 1012.70013) Full Text: DOI