S. Okada, W. J. Ricker
Acta Sci. Math. (Szeged) 63:3-4(1997), 689-693 5792/2009
Abstract. This note corrects the proof of Theorem 1(ii) given in [2].
AMS Subject Classification (1991): 47A67
Received June 25, 1997. (Registered under 5792/2009.)