Characterizations of a Spacetime of Quasi‐Constant Sectional Curvature and F(R)$\mathcal {F}(\mathcal {R})$‐Gravity
Fortschritte der Physik - Progress of Physics, Vol. 71, Nisan 2023, ISSN: 0015-8208
DE UDAY CHAND, DE KRİSHNENDU, ZENGİN FÜSUN, ALTAY DEMİRBAĞ SEZGİN