@article{M2AN_2015__49_5_1451_0,
     author = {Pruitt, Michael},
     title = {Maximum {Norm} {Regularity} of {Periodic} {Elliptic} {Difference} {Operators} {With} {Variable} {Coefficients}},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {1451--1461},
     publisher = {EDP-Sciences},
     volume = {49},
     number = {5},
     year = {2015},
     doi = {10.1051/m2an/2015018},
     zbl = {1360.65262},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an/2015018/}
}