Gokhberg, I. T., & Krein, M. G. (1969). Introduction to the theory of linear nonselfadjoint operators. American Mathematical Society.
Chicago Style (17th ed.) CitationGokhberg, Izrail' TSudikovich, and M. G. Krein. Introduction to the Theory of Linear Nonselfadjoint Operators. Providence, R.I.: American Mathematical Society, 1969.
MLA (8th ed.) CitationGokhberg, Izrail' TSudikovich, and M. G. Krein. Introduction to the Theory of Linear Nonselfadjoint Operators. American Mathematical Society, 1969.
Warning: These citations may not always be 100% accurate.