International Journal of Modern Physics A. Particles and Fields. Gravitation. Cosmology (Internat. J. Modern Phys. A) (20230101), 38, no.~24, Paper No 2350140, 10~pp. ISSN: 0217-751X (print).eISSN: 1793-656X.
International Journal of Modern Physics A. Particles and Fields. Gravitation. Cosmology (Internat. J. Modern Phys. A) (20230101), 38, no.~18-19, Paper No 2350100, 9~pp. ISSN: 0217-751X (print).eISSN: 1793-656X.