BARKHA R. TRIPATHI; ATUL TYAGI; SWATI PARIKH. BIANCHI TYPE I STRING COSMOLOGICAL MODEL IN CYLINDRICALLY SYMMETRIC INHOMOGENEOUS UNIVERSE. International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, v. 3, n. 9, p. 1–7, 2021. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/921.. Acesso em: 6 jan. 2025.