%0 Journal Article %A S. Teber %A A. V. Kotikov %T The method of uniqueness and the optical conductivity of graphene: New application of a powerful technique for multiloop calculations %J Teoretičeskaâ i matematičeskaâ fizika %D 2017 %P 519-532 %V 190 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_2017_190_3_a12/ %G ru %F TMF_2017_190_3_a12