For citations:

Sidorenko M.I. KINEMATICAL FEATURES OF FORMATION OF A FLANGE WITH MINIMUM TENSION OF A TRANSIENT TOROIDAL SURFACE. Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY). 2018;(1):132-136. (In Russ.) https://doi.org/10.21122/1683-6065-2018-1-132-136