1. [1] Cecchi, M., Došlá, Z. and Marini, M., On the dynamics of the generalized Emden-Fowler equation, Georgian Math. J., 7 (2000), 269-282.
2. [2] Chanturija, T. A., On singular solutions of nonlinear systems of ordinary differential equations, Colloq. Math. Soc. János Bolyai, Vol. 15, North-Holland, Amsterdam, 1977, pp. 107-119.
3. [3] Jaroš, J. and Kusano, T., On a class of doubly singular differential equations of second order, Fukuoka Univ. Sci. Rep., 29 (1999), 7-12.
4. [4] Jaroš, J. and Kusano, T., On black hole solutions of second order differential equations with a singular nonlinearity in the differential operator, Funkcial. Ekvac., 43 (2000), 491-509.
5. [5] Kiguradze, I. T. and Chanturia, T. A., Asymptotic Properties of Solutions of Nonautonomous Ordinary Differential Equations, Mathematics and its Applications (Soviet Series), 89, Kluwer Academic Publishers Group Dordrecht, 1993.