@article{IJAMCS_2017_27_3_a6,
     author = {Qin, F. and Wang, Z. and Ma, Z. and Li, Z.},
     title = {Accurate gradient computations at interfaces using finite element methods},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {527--537},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2017_27_3_a6/}
}