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Название: Elements the Modern Theory Partial Differential Equations
Авторы: Yu. V. Egorov, A. I. Komech, M. A. Shubin
In this paper we have made an attempt to present a sketch of certain ideas and methods of the modern theory of linear partial differential equations. It can be regarded as a natural continuation of our paper (Egorov and Shubin , EMS vol. 30) where we dealt with the classical questions, and therefore we quote this paper for necessary definitions and results whenever possible.