Bernhelm Booß-Bavnbek, Krzysztof P. Wojciechhowski, "Elliptic Boundary Problems for Dirac Operators" English | 1993 | ISBN: 0817636811 | 308 pages | PDF | 7,1 MB
Xiaochun Liu, Bert-Wolfgang Schulze, "Boundary Value Problems with Global Projection Conditions (Operator Theory: Advances and Applications" English | 2018 | pages: 421 | ISBN: 3319701134 | PDF | 4,4 mb