@article{10_1023_A_1023220520477,
     author = {Zhu, Qiding},
     title = {A review of two different approaches for superconvergence analysis},
     journal = {Applications of Mathematics},
     pages = {401--411},
     publisher = {mathdoc},
     volume = {43},
     number = {6},
     year = {1998},
     doi = {10.1023/A:1023220520477},
     mrnumber = {1652096},
     zbl = {0938.65128},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1023/A:1023220520477/}
}