Dragana S. Cvetkovic-Ilic, Chun Yuan Deng. The Drazin invertibility of the difference and the sum of two idempotent operators. J. Computational Applied Mathematics, 233(8):1717-1722, 2010. [doi]
@article{Cvetkovic-IlicD10,
title = {The Drazin invertibility of the difference and the sum of two idempotent operators},
author = {Dragana S. Cvetkovic-Ilic and Chun Yuan Deng},
year = {2010},
doi = {10.1016/j.cam.2009.09.028},
url = {http://dx.doi.org/10.1016/j.cam.2009.09.028},
researchr = {https://researchr.org/publication/Cvetkovic-IlicD10},
cites = {0},
citedby = {0},
journal = {J. Computational Applied Mathematics},
volume = {233},
number = {8},
pages = {1717-1722},
}