Media type: E-Article Title: Non-Equilibrium Nano-Physics: Many-Body Operator Green Functions Contributor: Fransson, Jonas Published: Springer Netherlands, 2010 Published in: Non-Equilibrium Nano-Physics (2010), Seite 23-39 Language: Not determined DOI: 10.1007/978-90-481-9210-6_3 ISSN: 0075-8450; 1616-6361 Origination: Footnote: