海量图书期刊资源，随时随地畅享阅读乐趣
Sharp sobolev embeddings and related hardy inequalities: The critical caseEdmunds, David E.; Triebel, Hans · Mathematische Nachrichten · 1999
Entropy Numbers for Non-Compact Self-Adjoint Operators in HILBERT SpacesDavid E. Edmunds; Hans Triebel · 1981