TY - JOUR AU - Das, Pratulananda AU - Savas, Ekrem AU - Bhunia, Santanu TI - Two valued measure and some new double sequence spaces in $2$-normed spaces JO - Czechoslovak Mathematical Journal PY - 2011 SP - 809 EP - 825 VL - 61 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1007/s10587-011-0029-7/ DO - 10.1007/s10587-011-0029-7 LA - en ID - 10_1007_s10587_011_0029_7 ER -