Del abecedario a las integrales /
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| Other Authors: | |
| Format: | Book |
| Language: | Spanish |
| Published: |
Moscú :
Agencia de Prensa Nóvosti ,
1989
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| Series: | Experiencias soviética
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| Subjects: |
| Physical Description: | 82 p. ; il. ; 19 cm. |
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