Kadhim, S. N.; Mohamad, F. A. Some Properties Of N-Co Probabilistic Normed Space And Co-Probabilistic Dual Space Of N-Co Probabilistic Normed Space. Jour. Kufa Math. Comp. 2013, 1 (8), 15-20. https://doi.org/10.31642/JoKMC/2018/010803.