TY - JOUR AU - Li, Jun AU - Xiong, Xiangtuan TI - A new block triangular preconditioner for three-by-three block saddle-point problem JO - Applications of Mathematics PY - 2024 SP - 67 EP - 91 VL - 69 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.2023.0289-22/ DO - 10.21136/AM.2023.0289-22 LA - en ID - 10_21136_AM_2023_0289_22 ER -