Optimization and operations research : Proceedings of a conference held at Oberwolfach, July 27 - August 2, 1975. [ca. 1976]. In W. Oettli (Hrsg.), Lecture notes in economics and mathematical systems [Book]. Berlin [u.a.]: Springer.

OETTLI, Werner (Hrsg.). Berlin [u.a.]: Springer. Lecture notes in economics and mathematical systems, 117. ISBN 3540076166.

Oettli, W., Herausgeber. „Optimization and operations research : Proceedings of a conference held at Oberwolfach, July 27 - August 2, 1975“. Lecture notes in economics and mathematical systems, book, Springer, 1976.

: Optimization and operations research : Proceedings of a conference held at Oberwolfach, July 27 - August 2, 1975, . Lecture notes in economics and mathematical systems, Berlin [u.a.] 1976.

Oettli, W. (Hrsg.). (1976), Optimization and operations research : Proceedings of a conference held at Oberwolfach, July 27 - August 2, 1975, Lecture notes in economics and mathematical systems, Bd. , Springer, Berlin [u.a.].