Research output: Contribution to journal › Article › peer-review
| Original language | Undefined |
|---|---|
| Pages (from-to) | 7-9 |
| Journal | ВЕСТНИК САНКТ-ПЕТЕРБУРГСКОГО УНИВЕРСИТЕТА. СЕРИЯ 1: МАТЕМАТИКА, МЕХАНИКА, АСТРОНОМИЯ |
| Issue number | 1 |
| State | Published - 2013 |
ID: 5675958