%0 Journal Article %A B. N. Litvin %A G. I. Dorokhova %A O. S. Filipenko %T Production, structure, and properties of single crystals of $\mathrm{K},\mathrm{Nd}$-tetraphosphates %J Doklady Akademii Nauk %D 1981 %P 1102-1105 %V 259 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_259_5_a16/ %G ru %F DAN_1981_259_5_a16