For citations:
Exner P., Turek O. Quantum graphs with the Bethe-Sommerfeld property. Nanosystems: Physics, Chemistry, Mathematics. 2017;8(3):305-309. https://doi.org/10.17586/2220-8054-2017-8-3-305-309
Exner P., Turek O. Quantum graphs with the Bethe-Sommerfeld property. Nanosystems: Physics, Chemistry, Mathematics. 2017;8(3):305-309. https://doi.org/10.17586/2220-8054-2017-8-3-305-309