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2. Jacobson, N.: Structure and representations of Jordan algebras, Amer. Math. Soc. Colloq. Publ., vol. 39: Amer. Math. Soc., Providence 1968.
3. Koecher, M.: An elementary approach to bounded symmetric domains, Houston,Texas: Rice University 1969.
4. Loos, O.: Lectures on Jordan triples, Lecture notes, Vancouver, British Columbia: University of British Columbia 1971.
5. Loos, O.: Jordan Pairs, Berlin-Heidelberg-New York: Springer 1975.