"19.933"^^ . "19.933"^^ . . . "20.118"^^ . "http://www.isvav.cz/h12/resultDetail.do?rowId=RIV%2F61989592%3A15310%2F08%3A00005649!RIV09-MSM-15310___"^^ . "20.118"^^ . . "RIV/61989592:15310/08:00005649!RIV09-MSM-15310___" . "Congruence kernels of orthomodular implication algebras" . . . "Discrete Mathematics" . "J_imp \u010Dl\u00E1nek v impaktovan\u00E9m \u010Dasopise" . . . . . "1"^^ . "ofyGXtvpurFPU1ySnBNMT!BSAjE=" . . .