TY  - BOOK
AU  - Akhiezer, Naum I.
AU  - Frink, Aline H., tr.
TI  - Calculus of variations
T2  - Blaisdell book in the pure and applied sciences
U1  - 575.64 
PY  - 1962///
CY  - New York
PB  - Blaisdell Publishing Company
ER  -