TY  - BOOK
AU  - Leocks, J.
ED  - Beckmann, M.
ED  - Providence
ED  - Goas, G.
ED  - Karisruhe
ED  - Kunzi, H.P.
ED  - Zurich
TI  - Lecture notes in economics and mathematical system : operations research, computer science, social science
U1  - 519.4 
PY  - 1972///
CY  - New York
PB  - Springer-Verlag
ER  -