TY - JOUR AU - Yu. M. Kovalev TI - Analysis of some approximation for the description of thermal side of the equation states of molecular crystals JO - Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika PY - 2017 SP - 49 EP - 56 VL - 9 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VYURM_2017_9_1_a5/ LA - ru ID - VYURM_2017_9_1_a5 ER -