| Quasiregular Element: Mathematics, Jacobson Radical, Ring Theory, Algebraic Structure, Nilpotent, Matrix Ring, Bounded Operator, Principal Ideal, Polynomial, Unit (Ring Theory), Idempotence Год: 2010
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| Quipu: Inca Empire, Andes, Llama, Alpaca, Knot, Qusqu-Qullaw, Phonology, Logogram, Tribute, Wampum, Caral, Textile Год: 2010
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