额外的事
发表于 2025-3-30 12:13:08
Brit Müller2006)..Like all of Vladimir Arnold‘s books, this book is full of geometric insight. Arnold illustrates every principle with a figure. This book aims to cover the most basic parts of the subject and confines itself largely to the Cauchy and Neumann problems for the classical linear equations of mathe
预定
发表于 2025-3-30 13:41:29
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