Practical Conic Sections: The Geometric Properties of Ellipses, Parabolas and HyperbolasЭлектронная книгаPractical Conic Sections: The Geometric Properties of Ellipses, Parabolas and HyperbolasавтораJ. W. DownsРейтинг: 0 из 5 звезд0 оценокСохранить Practical Conic Sections: The Geometric Properties of Ellipses, Parabolas and Hyperbolas на потом