@article{SisLab2876,
           title = {Functional integral method in quantum field theory of plasmons in graphene},
          author = {Nguyen Duc Duoc Phan and Van Hau Tran},
            year = {2017},
         journal = {Advances in Natural Sciences: Nanoscience and Nanotechnology},
             url = {https://eprints.uet.vnu.edu.vn/eprints/id/eprint/2876/}
}