Akhiezer, Naum I.
Calculus of variations - 1st ed. - New York Blaisdell Publishing 1962 - viii, 247 p.
Calculus - Complex variables
517.8 / AKH/1962
Calculus of variations - 1st ed. - New York Blaisdell Publishing 1962 - viii, 247 p.
Calculus - Complex variables
517.8 / AKH/1962