Citazione Stile APA (7a Edizione)

Hirschman, I. I., & Hughes, D. E. (1977). Extreme eigen values of toeplitz operators. Springer-Verlag.

Citazione stile Chigago Style (17a edizione)

Hirschman, Isidore Isaac, e Daniel E. Hughes. Extreme Eigen Values of Toeplitz Operators. Berlín: Springer-Verlag, 1977.

Citatione MLA (9a ed.)

Hirschman, Isidore Isaac, e Daniel E. Hughes. Extreme Eigen Values of Toeplitz Operators. Springer-Verlag, 1977.