%0 Journal Article %A N. A. Tikhonov %T The optimization of the process of purification of a porous %J Doklady Akademii Nauk %D 1984 %P 1354-1356 %V 277 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1984_277_6_a18/ %G ru %F DAN_1984_277_6_a18