%0 Journal Article %A A. L. Khodakov %A M. L. Sholokhovich %T Single ferroelectric crystals with a high non-linearity %J Doklady Akademii Nauk %D 1961 %P 338-341 %V 141 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_141_2_a20/ %G ru %F DAN_1961_141_2_a20