File:Boyan petkanchin.jpg
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Summary
| Description | Photograph of the Bulgarian mathematician Academician Boyan Petkanchin and his wife |
| Date | |
| Source | family archive |
| Author | Unknown author |
Licensing
|
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:38, 3 September 2007 | | 1,497 × 990 (164 KB) | Heops~commonswiki | {{Information |Description=photograph of the Bulgarian mathematician Boyan Petkanchin |Source=family archive |Date=1938 |Author=unknown |Permission=yes |other_versions=no }} |
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