Akhiezer, Naum I. books & textbook
The Calculus of Variations; A Blaisdell Book in the Pure and Applied Sciences
Blaisdell Pub. /1962T Hardcover
Theory of Linear Operations in Hilbert Space
N.I. Akhiezer Naum Il'Ich Akhiezer
Pitman Publishing /1981-01-01 Hardcover / 272 Pages
isbn-10: 0273084968 / isbn-13: 9780273084969
