Библиографическая ссылка
Tairov E., Khan P. A polytropic model of a critical two-phase flow in a bed of spherical particles // MATEC Web of Conferences. Vol.115. 2017. 4 p. DOI: 10.1051/matecconf/201711505007
https://www.matec-conferences.org/articles/matecconf/pdf/2017/29/matecconf_sts2017_05007.pdf