Research output: Contribution to journal › Article › peer-review
| Original language | Russian |
|---|---|
| Pages (from-to) | 93-97 |
| Number of pages | 5 |
| Journal | Вестник Ленинградского Государственного университета: Серия 6, 1988 |
| Issue number | 1 |
| State | Published - 1988 |
ID: 76315633