TY - JOUR AU - Paweł Grzegorz Walczak TI - A note on the volume of balls on Riemannian manifolds of non-negative curvature JO - Annales Polonici Mathematici PY - 1984 SP - 281 EP - 284 VL - 44 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-44-3-281-284/ DO - 10.4064/ap-44-3-281-284 LA - en ID - 10_4064_ap_44_3_281_284 ER -