%0 Journal Article %A Hudák, Dávid %A Madaras, Tomás %T On local structure of 1-planar graphs of minimum degree 5 and girth 4 %J Discussiones Mathematicae. Graph Theory %D 2009 %P 385-400 %V 29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2009_29_2_a12/ %G en %F DMGT_2009_29_2_a12