@article{{MaP}{}, author = {Nhan, N., Bau, N.}, title = { Calculations of the a bsorption coefficient of a weak electro magnetic wave by free carriers in doping superlattices by the kubo - morimethod}, journal = {VNU Journal of Science: Mathematics - Physics}, volume = {18}, number = {1}, year = {2002}, url = {https://js.vnu.edu.vn/MaP/article/view/3230} }