TY - JOUR AU - Bang Yen Chen TI - An integral formula for submanifolds and its application JO - Annales Polonici Mathematici PY - 1972 SP - 51 EP - 54 VL - 27 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-27-1-51-54/ DO - 10.4064/ap-27-1-51-54 LA - en ID - 10_4064_ap_27_1_51_54 ER -