TY  - BOOK
AU  - Morse,Marston
TI  - Variational analysis: critical extremals and Sturmian extensions 
SN  - 9780486457871
U1  - 515.26 
PY  - 2007///
CY  - New York
PB  - Dover Publications
KW  - Critical extremals
KW  - Variational theory
N1  - Originally published: New York : John Wiley, 1973
UR  - http://www.loc.gov/catdir/enhancements/fy0705/2006102936-d.html
ER  -