@article{M2AN_1982__16_1_39_0,
     author = {Qun, Lin},
     title = {Iterative refinement of finite element approximations for elliptic problems},
     journal = {RAIRO. Analyse num\'erique},
     pages = {39--47},
     publisher = {Centrale des revues, Dunod-Gauthier-Villars},
     address = {Montreuil},
     volume = {16},
     number = {1},
     year = {1982},
     mrnumber = {648744},
     zbl = {0481.65064},
     language = {en},
     url = {http://archive.numdam.org/item/M2AN_1982__16_1_39_0/}
}