TY  - BOOK
AU  - Gelʹfand,I.M.
AU  - Fomin,S.V.
AU  - Silverman,Richard A.
TI  - Calculus of variations
U1  - 515.64 23
PY  - 1963///
CY  - Englewood Cliffs
PB  - Prentice-Hall
KW  - Calculus of variations
N1  - Includes index
ER  -