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20K35 Extensions (18 articles)

• Arnold, David M.; Mader, Adolf; Mutzbauer, Otto; Solak, Ebru: Indecomposable (1,3)-groups and a matrix problem. (English). Czechoslovak Mathematical Journal, vol. 63 (2013), issue 2, pp. 307-355
• Danchev, Peter: Notes on countable extensions of $p^{\omega +n}$-projectives. (English). Archivum Mathematicum, vol. 44 (2008), issue 1, pp. 37-40
• Danchev, Peter V.: On extensions of primary almost totally projective abelian groups. (English). Mathematica Bohemica, vol. 133 (2008), issue 2, pp. 149-155
• Danchev, Peter: Countable extensions of torsion Abelian groups. (English). Archivum Mathematicum, vol. 41 (2005), issue 3, pp. 265-272
• Goeters, H. Pat; Ullery, William: Quasi-balanced torsion-free groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 39 (1998), issue 3, pp. 431-443
• Frič, Roman; Zanolin, Fabio: Relatively coarse sequential convergence. (English). Czechoslovak Mathematical Journal, vol. 47 (1997), issue 3, pp. 395-408
• Bican, Ladislav; Fuchs, Laszlo: On abelian groups by which balanced extensions of a rational group split. II. (English). Czechoslovak Mathematical Journal, vol. 44 (1994), issue 4, pp. 649-660
• Albrecht, Ulrich F.: Extension functors on the category of $A$-solvable abelian groups. (English). Czechoslovak Mathematical Journal, vol. 41 (1991), issue 4, pp. 685-694
• Bican, Ladislav: On a class of locally Butler groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 32 (1991), issue 4, pp. 597-600
• Giovannitti, Anthony; Goeters, H. Pat; Metelli, Claudia: Cobalanced exact sequences. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 4, pp. 637-641
• Albrecht, Ulrich F.; Hill, Paul: Butler groups of infinite rank and axiom 3. (English). Czechoslovak Mathematical Journal, vol. 37 (1987), issue 2, pp. 293-309
• Bican, Ladislav: Purely finitely generated Abelian groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 2, pp. 209-218
• Megibben, Charles K.: Separable mixed groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 4, pp. 755-768
• Bican, Ladislav: A splitting criterion for Abelian groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 19 (1978), issue 4, pp. 763-774
• Bican, Ladislav: Splitting in abelian groups. (English). Czechoslovak Mathematical Journal, vol. 28 (1978), issue 3, pp. 356-364
• Bečvář, Jindřich: $K$-essential subgroups of abelian groups. I. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 17 (1976), issue 3, pp. 481-492
• Bican, Ladislav: Splitting of pure subgroups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 17 (1976), issue 2, pp. 241-249
• Bican, Ladislav: Projective purities. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 13 (1972), issue 1, pp. 99-107