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R. China"}]},{"given":"Chaochao","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Mathematics , Sichuan University , Chengdu 610064 , P. R. China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5592-177X","authenticated-orcid":false,"given":"Xiaoping","family":"Xie","sequence":"additional","affiliation":[{"name":"School of Mathematics , Sichuan University , Chengdu 610064 , P. R. China"}]}],"member":"374","published-online":{"date-parts":[[2019,6,13]]},"reference":[{"key":"2023033110443931695_j_cmam-2018-0256_ref_001_w2aab3b7e3594b1b6b1ab2ab1Aa","doi-asserted-by":"crossref","unstructured":"D. N.  Arnold,\nAn interior penalty finite element method with discontinuous elements,\nSIAM J. Numer. Anal. 19 (1982), no. 4, 742\u2013760.","DOI":"10.1137\/0719052"},{"key":"2023033110443931695_j_cmam-2018-0256_ref_002_w2aab3b7e3594b1b6b1ab2ab2Aa","doi-asserted-by":"crossref","unstructured":"I.  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