Ingle AG, Deo SD, Dhankar PK, Islam S, Srivastava K, Thakran B. Cosmological Model with Polytropic Bulk Viscosity and Varying Gravitational and Cosmological Constants. East Eur. J. Phys. [Internet]. 2026Sep.7 [cited 2026Sep.18];(3):54-7. Available from: https://periodicals.karazin.ua/eejp/article/view/29088