| Original language | English (US) |
|---|---|
| Article number | 854 |
| Journal | Izvestiya Mathematics |
| Volume | 78 |
| Issue number | 4 |
| DOIs | |
| State | Published - 2014 |
All Science Journal Classification (ASJC) codes
- Mathematics(all)
Letter to the editors
Research output: Contribution to journal › Letter › peer-review