00834nam0-22002891i-450-990001266760403321000126676FED01000126676(Aleph)000126676FED0100012667620000920d1983----km-y0itay50------baengTopics in Differential and Integral Equations and Operator Theoryby KreinBasel [etc.]Birkhauser1983Equazioni integraliCongressiKrejn,Mark Grigorevic57875ITUNINARICAUNIMARCBK9900012667604033217-E-2021589MA1MA145-0634C2547A55Topics in Differential and Integral Equations and Operator Theory379935UNINAING01