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2005 | ||
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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] |