فهرست مقالات Isothermal gas sphere equation دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - An analytic algorithm of Lane-Emden-type equations arising in astrophysics - a hybrid approach Vipul K Baranwal Ram K Pandey Manoj P Tripathi Om P Singh 10.1186/2251-7235-6-22