Szekeres, P. (2004). A course in modern mathematical physics: Groups, Hilbert space, and differential geometry. Cambridge University Press.

Szekeres, Peter. A Course in Modern Mathematical Physics: Groups, Hilbert Space, and Differential Geometry. Cambridge, UK ; New York: Cambridge University Press, 2004.

Szekeres, Peter. A Course in Modern Mathematical Physics: Groups, Hilbert Space, and Differential Geometry. Cambridge University Press, 2004.