@article{10_14708_ma_v4i8_1220, author = {P. Holnicki}, title = {The maximum principle for a certain class of difference boundary value problems}, journal = {Mathematica Applicanda}, pages = { 5--11}, year = {1976}, volume = {4}, number = {8}, doi = {10.14708/ma.v4i8.1220}, language = {pl}, url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v4i8.1220/} }