Ungar, A. A. (2018). Beyond pseudo-rotations in pseudo-euclidean spaces: An introduction to the theory of Bi-gyrogroups and Bi-gyrovector spaces. Elsevier Science.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUngar, Abraham A. Beyond Pseudo-rotations in Pseudo-euclidean Spaces: An Introduction to the Theory of Bi-gyrogroups and Bi-gyrovector Spaces. San Diego: Elsevier Science, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUngar, Abraham A. Beyond Pseudo-rotations in Pseudo-euclidean Spaces: An Introduction to the Theory of Bi-gyrogroups and Bi-gyrovector Spaces. Elsevier Science, 2018.
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