%0 Journal Article %A B. Hajduk %T Presentations of the fundamental group of a manifold %J Colloquium Mathematicum %D 1975 %P 235-240 %V 34 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-34-2-235-240/ %R 10.4064/cm-34-2-235-240 %G en %F 10_4064_cm_34_2_235_240