Differential geometry, Lie groups, and symmetric spaces / Sigurdur Helgason. Helgason, Sigurdur, 1927- Geometry, Differential. Lie groups. Symmetric spaces. QA3 .P8 vol.80 QA641 510/.8 s 516.7 HED Includes index. Bibliography: p. 587-616. New York : Academic Press, 1978. 1978. 1978 Text xv, 628 p. ; eng Pure and applied mathematics, a series of monographs and textbooks ; 80 Pure and applied mathematics (Academic Press) ; 80.