%0 Journal Article %A Tomasz Bortnik %T On framed links of Peiffer identities %J Colloquium Mathematicum %D 1987 %P 67-75 %V 52 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-52-1-67-75/ %R 10.4064/cm-52-1-67-75 %G en %F 10_4064_cm_52_1_67_75