Research output: Chapter in Book/Report/Conference proceeding › Article in an anthology › peer-review
| Original language | English |
|---|---|
| Title of host publication | Mathem. Methoden in Economics Seminarbericht, Sektion Math. |
| Publisher | Humboldt University of Berlin |
| Pages | 42–45 |
| State | Published - 1980 |
ID: 4425693