Comment on ''Implementation of the LDA+U method using the full-potential   linearized augmented plane-wave basis''
  By this Comment we would like to point out that the authors of Ref. 1 have ignored the orbital magnetism that makes the theory irrelevant to the real systems like NiO.It causes that the calculated result for the magnetic moment of NiO substantially disagrees with the experimental observation. PACS: 71.70.E, 75.10.D, 
R.J. Radwanski, Z.Ropka