Ludvigsen, M. .
General relativity a geometric approach / by Malcolm Ludvingsen. - Cambridge : Cambridge University Press , 1999 - 217p ;
0-521-63976-X
Space and time
CN / N9;1
General relativity a geometric approach / by Malcolm Ludvingsen. - Cambridge : Cambridge University Press , 1999 - 217p ;
0-521-63976-X
Space and time
CN / N9;1