Pérez-Díaz, S., Schicho, J., & Sendra, J. R. Properness and Inversion of Rational Parametrizations of Surfaces. Applicable algebra in engineering, communication and computing..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pérez-Díaz, Sonia, Josef Schicho, و J. Rafael Sendra. "Properness and Inversion of Rational Parametrizations of Surfaces." Applicable Algebra in Engineering, Communication and Computing. .
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Pérez-Díaz, Sonia, et al. "Properness and Inversion of Rational Parametrizations of Surfaces." Applicable Algebra in Engineering, Communication and Computing., .
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