%0 Journal Article
%T The present state of the theory of polarization of ideal ionic and valence crystals
%A K. B. Tolpygo
%I Physics-Uspekhi
%D 1961
%J Phys. Usp.
%V 4
%N 3
%P 485-497
%U https://ufn.ru/en/articles/1961/3/f/
%U https://doi.org/10.1070/PU1961v004n03ABEH003358