三点边值问题有限差分格式数值正解的存在性.Published in:Journal of Jilin University (Science Edition) / Jilin Daxue Xuebao (Lixue Ban), 2025, v. 63, n. 3, p. 665, doi. 10.13413/j.cnki.jdxblxb.2024267By:漆调艳;路艳琼Publication type:Article