@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}, year = {2015}, publisher = {EDP Sciences}, volume = {49}, number = {5}, doi = {10.1051/m2an/2015018}, zbl = {1360.65262}, language = {en}, url = {https://www.numdam.org/articles/10.1051/m2an/2015018/} }