For citations:

Chernyshev V.A., Ryumshin V.S. Phonon Spectrum MeF₂ (Me = Ca, Sr, Ba, Pb) Cubic and Ortho Phase: ab initio Calculation. SIBERIAN JOURNAL OF PHYSICS. 2018;13(4):138-143. (In Russ.) https://doi.org/10.25205/2541-9447-2018-13-4-138-143