Levitskii, R.R.; Zachek, I.R.; Vdovych, A.S.; Sorokov, S.I.
(Condensed Matter Physics, 2009)
Within the framework of the proposed uni ed proton ordering model for the ferroelectric compounds of the
KH₂PO₄ family, in the four-particle cluster approximation for the short-range interactions and mean eld approximation
for ...