@文章{zbMATH00895769，作者={Balder，Robert and Zenger，Christoph}，标题={稀疏网格上多维实{Helmholtz}方程的解}，FJournal＝{SIAM科学计算期刊}，期刊={SIAM J.科学计算}，ISSN={1064-8275}，体积={17}，数字={3}，Pages＝{631-646}，年份={1996}，语言={英语}，DOI={10.1137/S1064827593247035}，关键词={65N30,35J05,65F10,65F35,35P15,65N15,65N25,65N 55,65N 50}，zbMATH={895769}，Zbl={0855.65111}}