Comment on the paper "Semiclassical Dirac Theory of Tunnel Ionization"   (by N.Milosevic, V.P.Krainov, and T.Brabec)
  Some remarks are made on the articles by N.Milosevic, V.P.Krainov, T.Brabec and our papers are about problem of semiclassical theory of tunnel ionization. 
B.M.Karnakov, V.D.Mur, V.S.Popov