1

The Kepler problem and collisions of negative masses

Year:
2011
Language:
english
File:
PDF, 472 KB
english, 2011
2

Observational cosmology and cosmological models

Year:
1987
Language:
english
File:
PDF, 423 KB
english, 1987
25

10.1070/pu2007v050n09abeh006381

Year:
2007
Language:
english
File:
PDF, 1.01 MB
english, 2007
39

10.1070/PU2007v050n09ABEH006775

Year:
2007
Language:
english
File:
PDF, 780 KB
english, 2007