@article{10_1007_s10587_011_0029_7,
     author = {Das, Pratulananda and Savas, Ekrem and Bhunia, Santanu},
     title = {Two valued measure and some new double sequence spaces in $2$-normed spaces},
     journal = {Czechoslovak Mathematical Journal},
     pages = {809--825},
     publisher = {mathdoc},
     volume = {61},
     number = {3},
     year = {2011},
     doi = {10.1007/s10587-011-0029-7},
     mrnumber = {2853094},
     zbl = {1249.46003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10587-011-0029-7/}
}