Kurasov Pavel Borisovich

Publications in Math-Net.Ru

1. Von Neumann–Wigner theorem: Level repulsion and degenerate eigenvalues
   
   TMF, 153:1 (2007),  68–85
2. Electron in a homogeneous crystal of point atoms with internal structure. II
   
   TMF, 74:1 (1988),  82–93