https://matkafasi.com/17376/mathbb-z-i-halkasinin-birim-elemanlari
$\mathbb Z[i]$ halkasinin birim elemanlari - Matematik Kafası
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https://mathbb.app/shared/notebook/07e9cd2c-8206-412b-b722-865a46f76e14/mathfest-4ct-talk
MathFest 4CT talk - MathBB
mathfesttalkmathbb