For citations:
, , . Proceedings of the Voronezh State University of Engineering Technologies. 2015;(2):4-6. (In Russ.) https://doi.org/10.20914/2310-1202-2015-2-4-6
, , . Proceedings of the Voronezh State University of Engineering Technologies. 2015;(2):4-6. (In Russ.) https://doi.org/10.20914/2310-1202-2015-2-4-6