| Original language | English |
|---|---|
| Pages (from-to) | 19-21 |
| Number of pages | 3 |
| Journal | Physics Letters A |
| Volume | 111 |
| Issue number | 1-2 |
| Publication status | Published - 1985 |
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| Original language | English |
|---|---|
| Pages (from-to) | 19-21 |
| Number of pages | 3 |
| Journal | Physics Letters A |
| Volume | 111 |
| Issue number | 1-2 |
| Publication status | Published - 1985 |