1. Sobolev Spaces;Adams,2003
2. Eigenvalues of Measure Theoretic Laplacians on Cantor-like Sets;Arzt,2014
3. Piecewise polynomial approximations of functions of classes Wpα;Birman;Mat. Sb. (N. S.),1967
4. The principal term of the spectral asymptotics for “non-smooth” elliptic problems;Birman;Funkc. Anal. Prilozh.,1970
5. Quantitative analysis in Sobolev imbedding theorems and applications to spectral theory;Birman,1980