Closed cosmological solutions to Einstein’s field equations
2000 ◽
Vol 32
(7)
◽
pp. 1409-1417
◽
1949 ◽
Vol 21
(3)
◽
pp. 447-450
◽
Keyword(s):
2005 ◽
Vol 143
(2)
◽
pp. 720-740
◽
Keyword(s):