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

AXELSSON, Owe, LIANG, Z.-Z., KRUŽÍK, Jakub, HORÁK, David. 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.