%0 Journal Article %A Novotný, Miroslav %T Homomorphisms and strong homomorphisms of relational structures %J Archivum mathematicum %D 1997 %P 57-64 %V 33 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1997__33_1-2_a7/ %G en %F ARM_1997__33_1-2_a7