Kandalkar, S. P.; Wasnik, A. P.; Gawande, S. P. Some Bianchi type I string cosmological models with bulk viscosity. (English) Zbl 1231.83032 Rom. J. Phys. 56, No. 1-2, 289-296 (2011). MSC: 83F05 × Cite Format Result Cite Review PDF
Kandalkar, S. P.; Khade, P. P.; Gawande, S. P. Homogeneous Bianchi type I cosmological model filled with viscous fluid with a varying \(\Lambda\). (English) Zbl 1177.83054 Rom. J. Phys. 54, No. 1-2, 195-205 (2009). MSC: 83C20 83F05 × Cite Format Result Cite Review PDF Full Text: Link