1. Inverse spectral problems for nonlocal Sturm-Liouville operators;Albeverio;Inverse Probl.,2007
2. Schrödinger operators with nonlocal point interactions;Albeverio;J. Math. Anal. Appl.,2007
3. Schrödinger operators with nonlocal potentials;Albeverio;Methods Funct. Anal. Topol.,2013
4. On a difference-integral equation;Anselone;J. Math. Mech.,1962
5. Families of Exponentials. The Method of Moments in Controllability Problems for Distributed Parameter Systems.;Avdonin,1995