. "RIV/60460709:41310/11:53850" . "Je\u017Eek, Jaroslav" . "52" . "Commutative zeropotent semigroups with few prime ideals" . . . "Infinite commutative zeropotent semigroup with only two prime ideals is constructed." . . "RIV/60460709:41310/11:53850!RIV12-GA0-41310___" . . . "Commutative zeropotent semigroups with few prime ideals"@en . "5"^^ . "CZ - \u010Cesk\u00E1 republika" . . "semigroup, commutative, zeropotent, prime ideal"@en . . . "Commutative zeropotent semigroups with few prime ideals" . "0" . "Infinite commutative zeropotent semigroup with only two prime ideals is constructed."@en . . . . "0010-2628" . "N\u011Bmec, Petr" . "Kepka, Tom\u00E1\u0161" . "P(GA201/09/0296), Z(MSM0021620839)" . . "1"^^ . . . . "41310" . . "[879CD0F11675]" . "190983" . "3"^^ . . "4" . "Commutative zeropotent semigroups with few prime ideals"@en . . "Commentationes Mathematicae Universitatis Carolinae" .