. . . "On Beck's coloring of posets" . "Hala\u0161, Radom\u00EDr" . "13" . "To every poset with zero we can assign its zero-divisor graph. It is shown that if the assigned graph has a finite clique number then it has to be equal to its chromatic number." . . . "15310" . "[F77A88190B08]" . . "RIV/61989592:15310/09:00010160!RIV11-MSM-15310___" . . "On Beck's coloring of posets"@en . "309" . "To every poset with zero we can assign its zero-divisor graph. It is shown that if the assigned graph has a finite clique number then it has to be equal to its chromatic number."@en . "Jukl, Marek" . "Discrete Mathematics" . "RIV/61989592:15310/09:00010160" . . . "2"^^ . . . "NL - Nizozemsko" . . . . . "331334" . . "2"^^ . "On Beck's coloring of posets"@en . "Poset with 0, zero-divisor graph, clique number, chromatic number."@en . "Z(MSM6198959214)" . "0012-365X" . . "On Beck's coloring of posets" . "6"^^ .