TY  - BOOK
AU  - Morse,Marston
TI  - Variational analysis: critical extremals and Sturmian extensions 
SN  - 0486457877
U1  - 517.4/M837v 
PY  - 2007///
CY  - Mineola, New York
PB  - Dover Publications
KW  - Calculus of variations
KW  - Calculus
KW  - Maxima and minima
KW  - Variational analysis
KW  - Variational principles
N1  - Originally published: New York : John Wiley, 1973; Includes bibliographical references (p. 255-258) and index
UR  - http://www.loc.gov/catdir/enhancements/fy0705/2006102936-d.html
ER  -