Funder
National Science and Technology Council
Lietuvos Mokslo Taryba
Vilnius University
Reference70 articles.
1. Superconductivity of Metals and Alloys;de Gennes,1966
2. Perturbation Theory for Linear Operators;Kato,1995
3. Real Spectra in Non-Hermitian Hamiltonians HavingPTSymmetry