1. Convergence problems of multiple Fourier series and spectral decompositions, II (Russian);Alimov SA;Uspekhi Mat Nauk,1977
2. The principal term of the spectral asymptotics for “non‐smooth” elliptic problems (Russian);Birman MS;Funktsional Anal i Prilozhen,1970
3. Spectral asymptotics of nonsmooth elliptic operators, I (Russian);Birman MS;Trudy Moskov Mat Obshch,1972
4. Recovery of the heat coefficient by two measurements
5. An inverse problem for the wave equation