@article{10_14708_cm_v20i2_5915,
     author = {NgPeng-Nun NgPeng-Nung and LeePeng-Ye LeePeng-Yee},
     title = {Ces\`aro sequence spaces of nonabsolute type},
     journal = {Commentationes Mathematicae},
     pages = { 429--433},
     year = {1978},
     volume = {20},
     number = {2},
     doi = {10.14708/cm.v20i2.5915},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v20i2.5915/}
}