%0 Journal Article %A K. Radziszewski %T Specialization of a frame and its geometrical interpretation %J Annales Polonici Mathematici %D 1977 %P 229-246 %V 35 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-35-3-229-246/ %R 10.4064/ap-35-3-229-246 %G en %F 10_4064_ap_35_3_229_246