Zachek, I. R.     Statistical theory of thermodynamic and dynamic properties of the RbHSO4 ferroelectrics [Текст] / I.R. Zachek, R.R. Levitskii, Ya. Shchur, O.B. Bilenka // Condensed Matter Physics [Текст] / The Institute for Condensed Matter Physics of the National Academy of Sciences of Ukraine. — P. 43703-1-43703-16.