@article{MZ_1981__177_173060,
     author = {Klaus B\"ohmer},
     title = {Asymptotic {Expansion} for the {Discretization} {Error} in {Linear} {Elliptic} {Boundary} {Value} {Problems} on {General} {Regions.}},
     journal = {Mathematische Zeitschrift},
     pages = {235--256},
     publisher = {mathdoc},
     volume = {177},
     year = {1981},
     zbl = {0443.65073},
     url = {http://geodesic.mathdoc.fr/item/MZ_1981__177_173060/}
}