Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.
APA4ort.xyz Knowledge Graph. (2026). A New Block-Diagonal Preconditioner for a Class of $$3\times 3$$ Block Saddle Point Problems. Retrieved May 24, 2026, from https://4ort.xyz/entity/a-new-block-diagonal-preconditioner-for-a-class-of-3-times-3-block-saddle-point-problems
MLA“A New Block-Diagonal Preconditioner for a Class of $$3\times 3$$ Block Saddle Point Problems.” 4ort.xyz Knowledge Graph, 4ort.xyz, 24 May. 2026, https://4ort.xyz/entity/a-new-block-diagonal-preconditioner-for-a-class-of-3-times-3-block-saddle-point-problems.
BibTeX@misc{4ortxyz_a-new-block-diagonal-preconditioner-for-a-class-of-3-times-3-block-saddle-point-problems_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{A New Block-Diagonal Preconditioner for a Class of $$3\times 3$$ Block Saddle Point Problems}}, year = {2026}, url = {https://4ort.xyz/entity/a-new-block-diagonal-preconditioner-for-a-class-of-3-times-3-block-saddle-point-problems}, note = {Accessed: 2026-05-24}}
LLM promptAccording to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): A New Block-Diagonal Preconditioner for a Class of $$3\times 3$$ Block Saddle Point Problems — https://4ort.xyz/entity/a-new-block-diagonal-preconditioner-for-a-class-of-3-times-3-block-saddle-point-problems (retrieved 2026-05-24)
