Fetisov, A. I., & Dubnov, I. S. (1978). Proof in geometry. MIR Publishers.
Chicago Edition CitationFetisov, A. I., i IA. S. Dubnov. Proof in Geometry. Moscow: MIR Publishers, 1978.
Cita MLAFetisov, A. I., i IA. S. Dubnov. Proof in Geometry. MIR Publishers, 1978.
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