%0 Journal Article %A O. V. Kokovikhina %T the answer of O.\,V.~Kokovikhina to A.\,A.~Kustov %J Matematičeskoe modelirovanie %D 2003 %P 127-128 %V 15 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_2003_15_9_a11/ %G ru %F MM_2003_15_9_a11