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- [42] Lie point symmetries of the geodesic equations of the Godel's metric 15TH MARCEL GROSSMANN MEETING, PT A, 2022, : 1341 - 1346
- [44] Integration Methods for Equations Without Enough Lie Point Symmetries MODERN TREATMENT OF SYMMETRIES, DIFFERENTIAL EQUATIONS AND APPLICATIONS (SYMMETRY 2019), 2019, 2153