Bojchuk, A. A., & Pokutnyj, A. A. (2015). Perturbation Theory of Operator Equations in the FrйChet and Hilbert Spaces.
Chicago Style (17th ed.) CitationBojchuk, A. A., and A. A. Pokutnyj. Perturbation Theory of Operator Equations in the FrйChet and Hilbert Spaces. 2015.
MLA (8th ed.) CitationBojchuk, A. A., and A. A. Pokutnyj. Perturbation Theory of Operator Equations in the FrйChet and Hilbert Spaces. 2015.
Warning: These citations may not always be 100% accurate.