The spectra of bounded linear self-adjoint operators relative to a cone in Hilbert space
1969 ◽
Vol 21
◽
pp. 1421-1426
◽
2015 ◽
Vol 2015
(708)
◽
pp. 1-15
◽
1963 ◽
Vol 59
(4)
◽
pp. 727-729
◽
2015 ◽
Vol 15
(3)
◽
pp. 373-389
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