@article{PismaZhETF.18.106, title = {Investigation of impurity diffusion in a Tokamak by special methods}, author = {Gervids, V. I. and Krupin, V. A.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {18}, issue = {2}, pages = {106}, year = {1973}, doi = {}, url = {http://jetpletters.ru/ps/0/article_23893.shtml}, }