@article{10_1007_s10492_015_0112_8,
     author = {Zhang, Tie and Zhang, Shuhua},
     title = {The gradient superconvergence of the finite volume method for a nonlinear elliptic problem of nonmonotone type},
     journal = {Applications of Mathematics},
     pages = {573--596},
     publisher = {mathdoc},
     volume = {60},
     number = {5},
     year = {2015},
     doi = {10.1007/s10492-015-0112-8},
     mrnumber = {3396481},
     zbl = {06486926},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10492-015-0112-8/}
}