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Author: Černák, Štefan

• Černák, Štefan: Convergence with a fixed regulator in Archimedean lattice ordered groups. (English). Mathematica Slovaca, vol. 56 (2006), issue 2, pp. 167-180
• Černák, Štefan: Eighty years of Professor Ján Jakubík. (English). Mathematica Slovaca, vol. 53 (2003), issue 5, pp. 543-550
• Jakubík, Ján; Černák, Štefan: On convex linearly ordered subgroups of an $h\ell $-group. (English). Mathematica Slovaca, vol. 50 (2000), issue 2, pp. 127-133
• Černák, Štefan: Maximal Dedekind completion of a half lattice ordered group. (English). Mathematica Slovaca, vol. 49 (1999), issue 4, pp. 403-416
• Černák, Štefan: Cantor extension of a half lattice ordered group. (English). Mathematica Slovaca, vol. 48 (1998), issue 3, pp. 221-231
• Černák, Štefan: On the maximal Dedekind completion of a half partially ordered group. (English). Mathematica Slovaca, vol. 46 (1996), issue 4, pp. 379-390
• Černák, Štefan: Lexicographic products of cyclically ordered groups. (English). Mathematica Slovaca, vol. 45 (1995), issue 1, pp. 29-38
• Csontóová, Mária; Černák, Štefan; Ploščica, Miroslav: Seventy years of Professor Ján Jakubík. (English). Mathematica Slovaca, vol. 44 (1994), issue 4, pp. 483-487
• Černák, Štefan: On the completion of cyclically ordered groups. (English). Mathematica Slovaca, vol. 41 (1991), issue 1, pp. 41-49
• Černák, Štefan: Cantor extension of an Abelian cyclically ordered group. (English). Mathematica Slovaca, vol. 39 (1989), issue 1, pp. 31-41
• Černák, Štefan; Jakubík, Ján: Completion of a cyclically ordered group. (English). Czechoslovak Mathematical Journal, vol. 37 (1987), issue 1, pp. 157-174
• Černák, Štefan: On the completion of a lattice by ends. (English). Mathematica Slovaca, vol. 33 (1983), issue 4, pp. 341-346
• Černák, Štefan; Kolibiar, Milan: Životné jubileum akademika Jána Jakubíka. (Slovak) [On the fiftieth birthday of Ján Jakubík]. Mathematica Slovaca, vol. 33 (1983), issue 3, pp. 321-326
• Černák, Štefan: On the maximal Dedekind completion of a lattice ordered group. (English). Mathematica Slovaca, vol. 29 (1979), issue 3, pp. 305-313
• Černák, Štefan: On some types of maximal $l$-subgroups of a lattice ordered group. (English). Mathematica Slovaca, vol. 28 (1978), issue 4, pp. 349-359
• Černák, Štefan: Cantor extension of a mixed product of directed groups. (English). Mathematica Slovaca, vol. 26 (1976), issue 2, pp. 103-114
• Černák, Štefan: The Cantor Extension of a Lexicographic Product of $l$-Groups. (English). Matematický časopis, vol. 23 (1973), issue 2, pp. 97-102