On the theory of directional crystallization with a two-phase region with vigorous convectionDmitri V. Alexandrov, Nikita K. Goltyakov, Alexander A. Ivanov and Irina V. AlexandrovaEur. Phys. J. Special Topics, 229 19-20 (2020) 2951-2959DOI: https://doi.org/10.1140/epjst/e2020-000048-8