The numerical index of nonselfadjoint operator algebras
1993 ◽
Vol 117
(4)
◽
pp. 1105-1105
1986 ◽
Vol 15
(2)
◽
pp. 225-228
◽
1990 ◽
Vol 110
(4)
◽
pp. 915-915
1988 ◽
Vol 305
(1)
◽
pp. 333-333
◽
1983 ◽
Vol 23
(2)
◽
pp. 206-208
◽