TY  - BOOK
AU  - Gelfand, I. M. 
AU  - Fomin, S. V. 
TI  - Calculus of variations
SN  - 9780486414485
U1  - 515.64 G2815c 
PY  - 1991///
CY  - New York
PB  - Dover Publications, Inc.
KW  - Calculus of variations
KW  - Mathematics
N1  - Translated and edited by Richard A. Silverman
ER  -