Conference on Operator Theory Bucharest, Romania, Helson, H., & Arsene, G. (1987). Operators in indefinite metric spaces, scattering theory, and other topics. Birkhäuser.
Chicago Style (17th ed.) CitationConference on Operator Theory Bucharest, Romania, Henry Helson, and Grigore Arsene. Operators in Indefinite Metric Spaces, Scattering Theory, and Other Topics. Basel ; Boston: Birkhäuser, 1987.
MLA (9th ed.) CitationConference on Operator Theory Bucharest, Romania, et al. Operators in Indefinite Metric Spaces, Scattering Theory, and Other Topics. Birkhäuser, 1987.
Warning: These citations may not always be 100% accurate.