%0 Journal Article %A Tomková, Mária %T Graph isomorphisms of partially ordered sets %J Mathematica slovaca %D 1987 %P 47-52 %V 37 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1987__37_1_a5/ %G en %F MASLO_1987__37_1_a5