@article{Kholmogorov2019solving, author={Kholmogorov, A.A. and Ivanov, V.B. and Gorbachev, O.A.}, title={Solving a navigation problem with the total electron content model GEMTEC}, journal={Solar-Terrestrial Physics}, publisher={INFRA-M Academic Publishing LLC.}, year={2019}, pages={82-85}, volume={5}, issue={1}, }