%0 Journal Article %A Chajda, Ivan %T Jónsson's lemma for normally presented varieties %J Mathematica Bohemica %D 1997 %P 381-382 %V 122 %N 4 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.21136/MB.1997.126209/ %R 10.21136/MB.1997.126209 %G en %F 10_21136_MB_1997_126209