For citations:

Gusev S.S., Makarov V.V. Research and creation of universal turning cycles of end and longitudinal flutes. Vestnik Rostovskogo Gosudarstvennogo Universiteta Putej Soobshcheniya. 2023;(2):155-166. (In Russ.) https://doi.org/10.46973/0201-727X_2023_2_155