Comment on "Minimal conductivity in graphene: Interaction corrections   and ultraviolet anomaly" by Mishchenko E. G
  In this comment we wish to clarify and correct some of the statements made in a recent paper by E. G. Mishchenko (Europhys. Lett. 83 (2008) 17005). 
Igor F. Herbut, Vladimir Juricic, Oskar Vafek, and Matthew J. Case