@article{Nguyen2019model, author={Nguyen, T.. and Barabanova, E.. and Vytovtov, K.A.}, title={MODEL OF CALCULATING DIFFICULTY OF NEW GENERATION OPTICAL COMMUTATION SYSTEMS}, journal={Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics}, publisher={Astrakhan State Technical University}, year={2019}, pages={34-43}, volume={2019}, issue={3}, }