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Stephan Kulla's user avatar
Stephan Kulla's user avatar
Stephan Kulla's user avatar
Stephan Kulla
  • Member for 12 years
  • Last seen more than 7 years ago
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I take part in the free textbook project “Mathe für Nicht-Freaks” (German textbook for beginners of mathematics). We are looking for co-authors! When you want to participate in this project, feel free to contact us. You will help a lot of students!

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