@article{10_21136_AM_1987_104259,
     author = {Hlav\'a\v{c}ek, Ivan and K\v{r}{\'\i}\v{z}ek, Michal},
     title = {On a superconvergent finite element scheme for elliptic systems. {III.} {Optimal} interior estimates},
     journal = {Applications of Mathematics},
     pages = {276--289},
     publisher = {mathdoc},
     volume = {32},
     number = {4},
     year = {1987},
     doi = {10.21136/AM.1987.104259},
     mrnumber = {0897832},
     zbl = {0636.65116},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1987.104259/}
}