@article{10_14708_cm_v52i2_5335,
     author = {Mikio Kato and Takayuki Tamura},
     title = {Weak nearly uniform smoothness of the \(\psi\)-direct sums {\((X_1} \oplus \dots\oplus {X_N)_\psi\)}},
     journal = {Commentationes Mathematicae},
     pages = { 171--198},
     publisher = {mathdoc},
     volume = {52},
     number = {2},
     year = {2012},
     doi = {10.14708/cm.v52i2.5335},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v52i2.5335/}
}