TY  - BOOK
AU  - Beckmann, M.
AU  - Kunzi, H.P. eds.
TI  - Lecture notes in operations research and mathematical systems
U1  - 658.540151 
CY  - Berlin
PB  - Springer verlag
KW  - Operations research
N1  - Balakrishnan, A.V.: Introduction to optimization theory in a hilbert space. 1971
ER  -