Ludvigsen, M. (1999). General relativity: A geometric approach. Cambridge University Press.
Dyfyniad Arddull ChicagoLudvigsen, Malcolm. General Relativity: A Geometric Approach. Cambridge ; New York: Cambridge University Press, 1999.
Dyfyniad MLALudvigsen, Malcolm. General Relativity: A Geometric Approach. Cambridge University Press, 1999.
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