Conway, J. B. (1981). Subnormal operators. Pitman Advanced Pub. Program.
Cita Chicago (17th ed.)Conway, John B. Subnormal Operators. Boston: Pitman Advanced Pub. Program, 1981.
Cita MLA (9th ed.)Conway, John B. Subnormal Operators. Pitman Advanced Pub. Program, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.