TY  - BOOK
AU  - Oettli,W & Ritter,K (eds)
ED  - Ritter, K
TI  - Optimization & operations research: proceedings of a conference held at oberwolfach, july 27-aug 2, 1975
T2  - Lecture notes in economics & mathematical systems 117
U1  - 15.01+22 
PY  - 1976///
CY  - Berlin
PB  - Springer
ER  -