%0 Journal Article %A Adámek, Jiří %A Ehrig, Hartmut %A Trnková, Věra %T On an equivalence of system-theoretical and categorical concepts %J Kybernetika %D 1980 %P 389-410 %V 16 %N 5 %U http://geodesic.mathdoc.fr/item/KYB_1980_16_5_a0/ %G en %F KYB_1980_16_5_a0