TY - JOUR AU - Nandakumar, N. R. TI - Ring Derivations on Function Algebras JO - Canadian mathematical bulletin PY - 1990 SP - 69 EP - 72 VL - 33 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1990-012-1/ DO - 10.4153/CMB-1990-012-1 ID - 10_4153_CMB_1990_012_1 ER -