@article{PismaZhETF.42.207, title = {Semimetallic properties of a heterojunction}, author = {Kusmartsev, F. V. and Tsvelik, A. M.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {42}, issue = {5}, pages = {207}, year = {1985}, doi = {}, url = {http://jetpletters.ru/ps/0/article_21594.shtml}, }