Helgason, S. (2000). Differential geometry, lie groups and symmetric spaces. American mathematical society.
استشهاد بنمط شيكاغوHelgason, Sigurdur. Differential Geometry, Lie Groups and Symmetric Spaces. Providence: American mathematical society, 2000.
MLA استشهادHelgason, Sigurdur. Differential Geometry, Lie Groups and Symmetric Spaces. American mathematical society, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.