Cita APA (7th ed.)

Herrero, D. A. (1982). Approximation of Hilbert space operators. Pitman Advanced Publishing Program.

Cita Chicago (17th ed.)

Herrero, Domingo A. Approximation of Hilbert Space Operators. Boston: Pitman Advanced Publishing Program, 1982.

Cita MLA (9th ed.)

Herrero, Domingo A. Approximation of Hilbert Space Operators. Pitman Advanced Publishing Program, 1982.