1. Introduction to the Study of Stellar Structure;Chandrasekhar,1967
2. Gaskugeln;Emden,1907
3. Introduction to Nonlinear Differential and Integral Equations;Davis,1962
4. A note on integration of the Emden–Fowler equation;Rosenau;Internat. J. Non-Linear Mech.,1984
5. Emission of Electricity from Hot Bodies;Richardson,1921