1. An index theorem for Toeplitz operators on the quarter-plane;Badi;Proc. Amer. Math. Soc.,2009
2. Uber die Argumentvariation einer Fastperiodischen Funktion;Bohr;Danske Vidensk. Selskab.,1930
3. Bounded Symmetric Domains and Jordan Pairs;Loos,1977
4. Topology, a First Course;Munkres,1975
5. Fredholm index theory and the trace;Murphy;Proc. R. Ir. Acad. Sect. A,1994