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Вариационная Теория Геодезических. The Variational Theory of Geodesics ... Edited by Bernard R. Gelbaum

Mikhail Mikhailovich POSTNIKOV

出版	W.B. Saunders Company, 1967
URL	http://books.google.com.hk/books?id=poxDMwEACAAJ&hl=&source=gbs_api