1
by Blanchard, Ph, Brüning, E.
Published 1982
Springer Vienna
Subjects: ...Calculus of Variations and Optimization...

2
by Knobloch, H.W., Kwakernaak, H.
Published 1985
Springer Berlin Heidelberg
Subjects: ...Calculus of Variations and Optimization...

3
by Courant, R., Hilbert, D.
Published 1968
Springer Berlin Heidelberg
Subjects: ...Calculus of Variations and Optimization...