David Deutsch, The Beginning of Infinity: Explanations that Transform the World (New York: Penguin, 2011), 308.
163
James Hartle, “The Quantum Mechanics of Closed Systems”, in Directions in General Relativity, vol. 2 (Festschrift for C. W. Misner), ed. B. L. Hu, M. P. Ryan, and C. V. Vishveshwara (Cambridge: Cambridge University Press, 1993). Более короткая версия, из которой взята эта цитата, доступна по адресу http://xxx.lanl.gov/pdf/gr-qc/9210006.pdf.
