Inner product free iterative solution and elimination methods for linear systems of a three-by-three block matrix form

Axelsson, O., Liang, Z.-Z., Kružík, J., Horák, D. Inner product free iterative solution and elimination methods for linear systems of a three-by-three block matrix form. Journal of Computational and Applied Mathematics. 2021, 383(February 2021), 113117. ISSN 0377-0427. E-ISSN 1879-1778. Dostupné z: doi: 10.1016/j.cam.2020.113117.