International Journal of Mathematics and Mathematical Sciences

Volume 14 (1991), Issue 3, Pages 439-442

doi:10.1155/S0161171291000583

## Factorization of k -quasihyponormal operators

# S. C. Arora^{1} and J. K. Thukral^{2}

^{1}Department of Mathematics, University of Delhi, Delhi 110007, India^{2}Department of Mathematics, S.R.C.C., University of Delhi, Delhi 110007, India

Received 1 January 1987; Revised 17 March 1989

Copyright © 1991 S. C. Arora and J. K. Thukral. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

#### Abstract

Let