by Botelho, Geraldo, Torres, Ewerton R.
Published in Linear algebra and its applications (01.10.2015)

by Si, Zengyan, Xue, Qingying
Published in Taiwanese journal of mathematics (01.04.2013)

by Tao, Xiangxing, Zhang, Huihui
Published in Taiwanese journal of mathematics (01.08.2011)

by Asim, Muhammad, AlNemer, Ghada
Published in AIMS mathematics (2025)

by Chen, Dazhao
Published in AIMS mathematics (01.01.2021)

by Botelho, Geraldo, Torres, Ewerton R
Year of Publication 02.04.2015

by Ru, Shaolei
Published in Taiwanese journal of mathematics (01.08.2014)

by Botelho, Geraldo, Torres, Ewerton R
Published in arXiv.org (02.04.2015)

by Chen, Dazhao
Published in AIMS mathematics (01.01.2021)

by Lanzhe, Liu
Published in Bulletin of the Malaysian Mathematical Sciences Society (01.05.2011)

by Liu, Lanzhe
Published in Bulletin of the Malaysian Mathematical Sciences Society (01.01.2010)

by Tomaz, Daniel
Published in Advances in operator theory (01.06.2019)

by Lanzhe, Liu
Published in Bulletin of the Malaysian Mathematical Sciences Society (01.10.2012)

by Sato, Enji
Published in Taiwanese journal of mathematics (01.08.2011)

by Botelho, Geraldo, Torres, Ewerton R.
Published in Journal of mathematical analysis and applications (01.06.2018)

by Bernardino, A. T., Pellegrino, D., Seoane-Sepúlveda, J. B., Souza, M. L. V.
Published in Boletim da Sociedade Brasileira de Matemática (01.06.2015)

by GALDAMES-BRAVO, ORLANDO
Published in Journal of the Australian Mathematical Society (2001) (01.02.2022)