TY - JOUR AU - K. Kubota TI - On a conjecture of Morgan Ward, II JO - Acta Arithmetica PY - 1977 SP - 29 EP - 48 VL - 33 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-33-1-29-48/ DO - 10.4064/aa-33-1-29-48 LA - en ID - 10_4064_aa_33_1_29_48 ER -