Benenti, S., Chanu, C., Rastelli, G.: Remarks on the connection between the additive separation of the Hamilton–Jacobi equation and the multiplicative separation of the Schrödinger equation. I. The completeness and Robertson conditions. J. Math. Phys. 43(11), 5183–5222 (2002)
Bolsinov, A.V., Matveev, V.S.: Geometrical interpretation of Benenti systems. J. Geom. Phys. 44(4), 489–506 (2003)
Bolsinov, A.V., Matveev, V.S., Rosemann, S.: Local normal forms for c-projectively equivalent metrics and proof of the Yano-Obata conjecture in arbitrary signature. Proof of the projective Lichnerowicz conjecture for Lorentzian metrics. Ann. Sci. Éc. Norm. Supér. 54(6), 1465–1540 (2021)
Calderbank, D.M.J., Eastwood, M.G., Matveev, V.S., Neusser, K.: C-Projective Geometry. Memoirs of the American Mathematical Society, vol. 267 (1299). American Mathematical Society, Providence (2020)
Carter, B.: Killing tensor quantum numbers and conserved currents in curved space. Phys. Rev. D 16(12), 3395–3414 (1977)
Domashev, V.V., Mikeš, J.: Theory of holomorphically projective mappings of Kählerian spaces. Math. Notes 23(2), 160–163 (1978)
Duval, C., Valent, G.: Quantum integrability of quadratic Killing tensors. J. Math. Phys. 46(5), 053516 (2005)
Jost, J.: Riemannian Geometry and Geometric Analysis, 7th edn. Springer, Cham (2017)
Kiosak, V., Matveev, V.S.: Proof of the projective Lichnerowicz conjecture for pseudo-Riemannian metrics with degree of mobility greater than two. Commun. Math. Phys. 297(2), 401–426 (2010)
Matveev, V.S.: Quantum integrability for the Beltrami-Laplace operators of projectively equivalent metrics of arbitrary signatures. Chebyshevskiĭ Sb. 21(2), 275–289 (2020)
Matveev, V.S., Topalov, P.J.: Quantum integrability of Beltrami–Laplace operator as geodesic equivalence. Math. Z. 238(4), 833–866 (2001)
Matveev, V.S., Topalov, P.J.: Trajectory equivalence and corresponding integrals. Regul. Chaotic Dyn. 3(2), 30–45 (1998)
Ōtsuki, T., Tashiro, Y.: On curves in Kaehlerian spaces. Math. J. Okayama Univ. 4(1), 57–78 (1954)
Topalov, P.: Geodesic compatibility and integrability of geodesic flows. J. Math. Phys. 44(2), 913–929 (2003)