Application of Finite Element Method Programs to the Calculation of Vibration-Rotation States of a Diatomic Beryllium Molecule. - A. A. Gusev 001; Ochbadrakh Chuluunbaatar; Sergey I. Vinitsky; V. L. Derbov; Andrzej Gózdz; Pavel Krassovitskiy; I. Filikhin; A. V. Mitin (ICUMT, 2018)