Popov Andrey Borisovich

Publications in Math-Net.Ru

1. On $m$-sectorial extensions of sectorial operators
   
   Zh. Mat. Fiz. Anal. Geom., 13:3 (2017),  205–241
2. $m$-Accretive extensions of a sectorial operator
   
   Mat. Sb., 204:8 (2013),  3–40


3. V. M. Usenko (1951–2006)
   
   Algebra Discrete Math., 2006, no. 2,  G–K