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William S. Laufer,Steven D. Waltis hollow, one or more interior cylindrical surfaces. The axis Oz of an orthogonal Cartesian frame is taken parallel to the generators of the cylinder. In a plane section perpendicular to the generators and referred to axes Ox and Oy, the region D is bounded by the exterior directrix c. and the inte戏服 发表于 2025-3-31 11:27:19
Valerie P. Hansreader in a leisurely way from the basic notions to a variety of topics, ranging from algebra to statistical physics. Its aim is to introduce the student to a fascinating field, and to be a source of information for the professional mathematician who wants to learn more about the subject. The book i