1.
L.A.Alaqal, Dr. M. A. Sharaf. Homology Invariant Functions for Lane-Emden Equation of Finite Polytropic Index. GJSFR [Internet]. 2012 Dec. 15 [cited 2024 May 2];12(F13):31-8. Available from: https://journalofscience.org/index.php/GJSFR/article/view/681