Sufficient conditions for λ'-optimality in graphs of diameter 2HELLWIG, Angelika; VOLKMANN, Lutz.Discrete mathematics. 2004, Vol 283, Num 1-3, pp 113-120, issn 0012-365X, 8 p.Article

Maximally edge-connected and vertex-connected graphs and digraphs : A surveyHELLWIG, Angelika; VOLKMANN, Lutz.Discrete mathematics. 2008, Vol 308, Num 15, pp 3265-3296, issn 0012-365X, 32 p.Article

Lower bounds on the vertex-connectivity of digraphs and graphsHELLWIG, Angelika; VOLKMANN, Lutz.Information processing letters. 2006, Vol 99, Num 2, pp 41-46, issn 0020-0190, 6 p.Article

Equal fecundity in asexual and sexual mollies (Poecilia)SCHLUPP, Ingo; TAEBEL-HELLWIG, Angelika; TOBLER, Michael et al.Environmental biology of fishes. 2010, Vol 88, Num 2, pp 201-206, issn 0378-1909, 6 p.Article

Inverse degree and edge-connectivityDANKELMANN, Peter; HELLWIG, Angelika; VOLKMANN, Lutz et al.Discrete mathematics. 2009, Vol 309, Num 9, pp 2943-2947, issn 0012-365X, 5 p.Article