Simarjeet Kaur Bhatia and Gupta, R.S. (2026) “Symmetry vector fields on the 4-dimensional Riemannian and Lorentzian Lie group Sol^4_0”, International Journal of Maps in Mathematics, 9(2), pp. 200–218. Available at: https://simadp.com/journalmim/article/view/510 (Accessed: 3 October 2026).