1. On an approach to multidimensional inverse problems for the wave equation;Belishev;Dokl. Akad. Nauk SSSR,1987
2. Equations of Gelfand–Levitan type for the multidimensional inverse problem for the wave equation;Belishev;Zap. Nauchn. Semin. LOMI,1987
3. Wave bases in multidimensional inverse problems;Belishev;Mat. Sbornik,1989
4. Boundary control and wave field continuation;Belishev,1990
5. Boundary control, wave field continuation and inverse problems for the wave equation;Belishev;Comp. Math. Appl.,1991