Jefferies Brian

Publications in Math-Net.Ru

1. Tauberian Theorems for Cosine Operator Functions
   
   Trudy Mat. Inst. Steklova, 236 (2002),  474–480
2. Feynman's Operational Calculi for Noncommuting Systems of Operators: Tensors, Ordered Supports, and Disentangling an Exponential Factor
   
   Mat. Zametki, 70:6 (2001),  815–838