TY  - GEN
AU  - Krasnov, M. L. 
AU  - Makarenko, G. I.  
AU  - Kiselev, A. I. 
TI  - Problems and Exercises in the Calculus of Variations
U1  - 517.4 KRA/Pro 
PY  - 1975///
CY  - Moscow
PB  - Mir Publishers
KW  - Calculus of Variations
N1  - Includes Answers and Hints, Bibliography and Index
ER  -