| |
| 2005 | ||
|---|---|---|
| 1 | Yuri Leonidovich Ershov, V. Filippov, O. Klimenko, O. Trofimov: Mathtree - Tree Catalog of Mathematical Resources in the Internet. Automation, Control, and Information Technology 2005: 76-80 | |
| 1 | Yuri Leonidovich Ershov | [1] |
| 2 | V. Filippov | [1] |
| 3 | O. Klimenko | [1] |