%0 Journal Article %A A. V. Goncharsky %A A. A. Stepanov %T Mathematical model s and the phase problem in inverse problem of $x$-ray diffractometry %J Matematičeskoe modelirovanie %D 1994 %P 117-127 %V 6 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_1994_6_12_a8/ %G ru %F MM_1994_6_12_a8