An estimate of the norm $|f(B)-f(A)|$ for selfadjoint operators~$A$ and $B$
    
    
  
  
  
      
      
      
        
Zapiski Nauchnykh Seminarov POMI, Investigations on linear operators and function theory. Part VI, Tome 56 (1976), pp. 143-162
    
  
  
  
  
  
    
      
      
        
      
      
      
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@article{ZNSL_1976_56_a7,
     author = {J. B. Farforovskaja},
     title = {An estimate of the norm $|f(B)-f(A)|$ for selfadjoint operators~$A$ and $B$},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {143--162},
     publisher = {mathdoc},
     volume = {56},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1976_56_a7/}
}
                      
                      
                    J. B. Farforovskaja. An estimate of the norm $|f(B)-f(A)|$ for selfadjoint operators~$A$ and $B$. Zapiski Nauchnykh Seminarov POMI, Investigations on linear operators and function theory. Part VI, Tome 56 (1976), pp. 143-162. http://geodesic.mathdoc.fr/item/ZNSL_1976_56_a7/
