%0 Journal Article %A M. A. Vorontsov %A A. N. Matveev %A V. P. Sivokon' %T The optimal wave-front control in the problems of radiation focusing into an arbitrary region %J Doklady Akademii Nauk %D 1986 %P 1354-1358 %V 290 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_290_6_a17/ %G ru %F DAN_1986_290_6_a17