Spectral Theory and Analysis - Jan Janas, Pavel Kurasov, Ari Laptev, Sergei Naboko, Günter Stolz; Birman, M. Sh; Janas, Jan; Kurasov, Pavel; Laptev, Ari; Naboko, Sergei; Laptev, A.; Stolz, Günter (Springer Basel, 2011)