@article{10_14708_cm_v14i1_5692,
     author = {A. Plis},
     title = {Loss of uniqueness property in difference approximation of a {Dirichlet} problem},
     journal = {Commentationes Mathematicae},
     pages = { 87--89},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {1970},
     doi = {10.14708/cm.v14i1.5692},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v14i1.5692/}
}