TY - JOUR AU - K. Radziszewski TI - Specialization of a frame and its geometrical interpretation JO - Annales Polonici Mathematici PY - 1977 SP - 229 EP - 246 VL - 35 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-35-3-229-246/ DO - 10.4064/ap-35-3-229-246 LA - en ID - 10_4064_ap_35_3_229_246 ER -