فهرس المقالات Uday Narayan Ghosh المقاله 1 - Dynamic structures of nonlinear ion acoustic waves in a nonextensive electron–positron–ion plasma 10.1007/s40094-015-0192-6 Uday Narayan Ghosh Asit Saha Nikhil Pal Prasanta Chatterjee Journal of Theoretical and Applied Physics , العدد 1 , السنة 0 , پاییز 2015