1. S. Avdonin, P. Kurasov, Inverse problems for quantum trees, preprint Newton Institute NI07022
2. Spectral Theory of Self-Adjoint Operators in Hilbert Space;Birman,1987
3. Boundary spectral inverse problem on a class of graphs (trees) by the BC method;Belishev;Inverse Problems,2004
4. On the boundary controllability of a dynamical system described by the wave equation on a class of graphs (on trees);Belishev;Zap. Nauchn. Sem. S.-Peterburg. Otdel. Mat. Inst. Steklov. (POMI),2004
5. Can one hear the shape of a network?;von Below,2001