فهرس المقالات Variational principal approach حرية الوصول المقاله صفحة الملخص نص كامل 1 - Self-focusing of a high-intensity laser pulse by a magnetized plasma lens in sub-relativistic regime Mehdi Etehadi Abari Mahsa Sedaghat Mohammad Taghi Hosseinnejad 10.1007/s40094-016-0239-3