Mishin Vladimir Gavrilovich

Publications in Math-Net.Ru

1. The spectrum of an elliptic equation
   
   Mat. Zametki, 11:5 (1972),  577–583
2. The negative part of the spectrum of the operator $(-1)^m\Delta^mu+qu$
   
   Mat. Zametki, 9:6 (1971),  677–686