| Article ID: | iaor20061783 |
| Country: | Belarus |
| Volume: | 4 |
| Start Page Number: | 49 |
| End Page Number: | 54 |
| Publication Date: | Dec 2005 |
| Journal: | Proceedings of the National Academy of Sciences of Belarus, Series of Physical-Mathematical Sciences |
| Authors: | Poddubnaya O.N. |
The problems of