Research output: Contribution to journal › Article › peer-review
| Original language | English |
|---|---|
| Pages (from-to) | 449-459 |
| Number of pages | 11 |
| Journal | Theoretical and Mathematical Physics |
| Volume | 15 |
| Issue number | 2 |
| DOIs | |
| State | Published - 1 May 1973 |
ID: 41386256