%0 Journal Article %A V. K. Volosyuk %A V. F. Kravchenko %A V. I. Ponomarev %T Optimal evaluations of electrophysical parameters %J Doklady Akademii Nauk %D 1991 %P 1120-1124 %V 319 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_319_5_a20/ %G ru %F DAN_1991_319_5_a20