Citation: Keren, Yan, On the Quasisimilarity of Subnormal Operators, Acta Mathematica Sinica, New Series Chinese Journal of Mathematics, 4(1), 1988, pp. 76-82
Citation: Keren, Yan, Some Properties of Bergman Operators, Acta Mathematica Sinica, New Series Chinese Journal of Mathematics, 2(4), 1986, pp. 332-336