Remark to ''On the Description of Fermion Systems in Boson   Representations''
  The formulae of boson powers commutation relation used by B. Sorensen [Nucl. Phys. A, v. 119, No 1, (1968), 65] in his calculations is erroneous. We provide the correct formulae. 
V.P. Garistov and P. Terziev (Institute of Nuclear Research, Sofia)