The geometry of discrete groups=离散群几何
Alan F. Beardon2011 年出版340 页ISBN：7510037559
the geometry of type the anatomy of 100 essential typefaces
tony seddon2012 年出版256 页ISBN：0500241422
DIFFERENTIAL EQUATIONS AND THE CALCULUS OF VARIATIONS
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The Calculus of Consent and Constitutional Design
Dougherty2011 年出版117 页ISBN：9780387981703;0387981705
Proceedings of the Symposiym on ALGEBRAIC GEOMETRY
2002 年出版263 页ISBN：9812382658
AN ELEMENTARY COURSE IN THE INTEGRAL CALCULUS
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MULTIPLE INTEGRALS IN THE CALCULUS OF VARIATIONS
CHARLES B.MORREY2222 年出版506 页ISBN：
