ON THE STATISTICAL-THEORY OF POINT-DEFECTS IN PURE-CRYSTALS WITH STRONG ANHARMONICITY ArticleZUBOV V.I.Physica Status Solidi (B) Basic Research. Vol. 106. 1981.
UNSYMMETRIZED SELF-CONSISTENT FIELD APPROXIMATION FOR STRONGLY ANHARMONIC CRYSTALS WITH TAKING INTO ACCOUNT THE POLARIZABILITY OF THE IONS ArticleZUBOV V.I., SOULAYMAN S.S.Physica Status Solidi (B) Basic Research. Vol. 104. 1981. P.. 383-392