@article{PismaZhETF.30.574, title = {Spin splitting in the spectrum of two-dimensional electrons due to the surface potential}, author = {Vas'ko, F. T.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {30}, issue = {9}, pages = {574}, year = {1979}, doi = {}, url = {http://jetpletters.ru/ps/0/article_20698.shtml}, }