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 | 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 | O. Klimenko | [1] |
| 3 | O. Trofimov | [1] |