. . "1"^^ . "CZ - \u010Cesk\u00E1 republika" . . "128" . "0"^^ . "Czechoslovak Mathematical Journal" . "Annihilators in BCK-algebras" . . "1"^^ . "1001-1007" . "0"^^ . "53" . "Annihilators in BCK-algebras"@en . "RIV/61989592:15410/03:00001370!RIV/2004/MSM/154104/N" . "Annihilators in BCK-algebras"@en . . "Hala\u0161, Radom\u00EDr" . "Z(MSM 153100011)" . "Annihilators in BCK-algebras" . . . "[135CBE0023D1]" . "RIV/61989592:15410/03:00001370" . "We introduce the concept of an annihilator of a given subset of a BCK-algebra."@en . . . "15410" . . . . "598524" . "BCK-algebra"@en . "We introduce the concept of an annihilator of a given subset of a BCK-algebra." . . "0011-4642" . "7"^^ .