%0 Journal Article %A Horňák, Mirko %A Pčola, Štefan %T Achromatic number of $K_5 \times K_n$ for small $n$ %J Czechoslovak Mathematical Journal %D 2003 %P 963-988 %V 53 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2003__53_4_a14/ %G en %F CMJ_2003__53_4_a14