%0 Journal Article %A I. G. Ismailzade %T X-ray study of the influence of an unilateral pressure on the structure of barium titanate polycrystals %J Doklady Akademii Nauk %D 1957 %P 479-482 %V 115 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_115_3_a14/ %G ru %F DAN_1957_115_3_a14