@article{10_14708_cm_v54i1_766,
     author = {P N Natarajan},
     title = {A {New} {Definition} of {Convergence} of a {Double} {Sequence} and a {Double} {Series} and {Silverman-Toeplitz} {Theorem}},
     journal = {Commentationes Mathematicae},
     pages = { 129--139},
     publisher = {mathdoc},
     volume = {54},
     number = {1},
     year = {2014},
     doi = {10.14708/cm.v54i1.766},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v54i1.766/}
}