References
- Woodhouse , N. M. J. 1975 . Killing tensors and the separation of the Hamilton—Jacobi equation . Commun. Math. Phys , 44 : 9 – 38 .
- Benenti , S. and Francaviglia , M. 1949 . “ The theory of separability of the Hamilton—Jacobi equation and its applications to general relativity. ” . In In General Relativity and Gravitation , Edited by: Held , A. Vol. 1 , Princeton : Princeton University Press . Plenum New York 1980
- Boyer , C. P. , Kalnins , E. G. and Miller , W. Jr. 1978 . Separable coordinates for four-dimensional Riemannian spaces . Commun. Math. Phys. , 59 : 285 – 302 .
- Kalnins , E. G. and Miller , W. Jr. 1979 . Non-orthogonal separable coordinate systems for the flat 4-space Helmholtz equation . J. Phys. A. Math. Gen. , 12 : 1129 – 1147 .
- Kalnins , E. G. and Miller , W. Jr. 1981 . Killing tensors and nonorthogonal variable separation for Hamilton—Jacobi equations . SIAM J. Math. Anal. , 12 : 617 – 629 .
- Benenti , S. 1979 . Lecture Notes in Mathematics . “Conference on Differential Geometric Methods in Mathematical Physics“ . 1979 , Salamanca. Springer-Verlag . Separability structures on Riemannian manifolds, Proceedings of
- Benenti , S. 1904 . Sulla integrazione della equazione di Hamilton—Jacobi per separazione di variabili . Math. Ann. , 59 : 383 – 397 .