V V Obukhov, K E Osetrin, A V Shapovalov, “Comments on the article ‘M.O. Katanaev, Complete separation of variables in the geodesic Hamilton-Jacobi equation in four dimensions, Physica Scripta (2023), 98, 104001'”, Phys. Scr., 99:6 (2024), 067002
M. O. Katanaev, “Reply to Comments on the article 'M O Katanaev, Complete separation of variables in the geodesic Hamilton–Jacobi equation in four dimensions, Physica Scripta (2023), 98, 104001' by V V Obukhov, K E Osetrin, and A V Shapovalov”, Phys. Scr., 99:6 (2024), 067001