Zaretskaya M A

Publications in Math-Net.Ru

1. On the spectrum of quadratic operators that are different from normal ones
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1989, no. 11,  24–30
2. The joint spectrum of a system of commuting quadratic quantum Hamiltonians
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1987, no. 4,  80–82
3. The character of the spectrum of quadratic quantum Hamiltonians
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1985, no. 5,  68–69
4. The spectrum of a class of differential operators
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1983, no. 5,  76–78