learnyou/lysa: Learn You Some Algebras for Glorious Good!: A math textbook that's free, fun, and easy to read! That's free, in both senses of the word.

Peter Harpending 9cfdeaffe5 move book/ -> ru/		10 年之前
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lysa.bib	9cfdeaffe5 move book/ -> ru/	10 年之前