Helgason, S. (1962). Differential geometry and symmetric spaces. Academic Press.
Dyfyniad Arddull ChicagoHelgason, Sigurdur. Differential Geometry and Symmetric Spaces. New York: Academic Press, 1962.
Dyfyniad MLAHelgason, Sigurdur. Differential Geometry and Symmetric Spaces. Academic Press, 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.