Akhiezer, N. I., Glazman, I. M., & Nestell, M. (1963). Theory of linear operators in Hilbert space. New York: Frederick Ungar Publishing.
Παραπομπή Chicago StyleAkhiezer, N. I., I. M. Glazman, and Merlynd Nestell. Theory of Linear Operators in Hilbert Space. New York: Frederick Ungar Publishing, 1963.
Παραπομπή MLAAkhiezer, N. I., I. M. Glazman, and Merlynd Nestell. Theory of Linear Operators in Hilbert Space. New York: Frederick Ungar Publishing, 1963.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.