O'Neill, B. (1983). Semi-Riemannian geometry: With applications to relativity. New York: Academic Press.
Παραπομπή Chicago StyleO'Neill, Barrett. Semi-Riemannian Geometry: With Applications to Relativity. New York: Academic Press, 1983.
Παραπομπή MLAO'Neill, Barrett. Semi-Riemannian Geometry: With Applications to Relativity. New York: Academic Press, 1983.
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