2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/222792Comment on "BCS superconductivity of Dirac fermions in graphene layers" by N. B. Kopnin and E. B. Sonin [arXiv:0803.3772; Phys. Rev. Lett. 100, 246808 (2008)].1.1 pagesSuperconductivityComment on "BCS superconductivity of Dirac fermions in graphene layers"text