Geodesic
Blow-up Solutions of Quadratic Differential Systems
Contemporary Mathematics. Fundamental Directions, Proceedings of the Fourth International Conference on Differential and Functional-Differential Equations (Moscow, August 14–21, 2005). Part 1, Tome 15 (2006), pp. 29-35.

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The main aim of this paper is to investigate the existence problem for blow-up solutions of quadratic differential systems, Riccati equations, and Lotka–Volterra systems. For this purpose, we introduce the concept of negative and positive blow-up times of solutions of the above-mentioned systems and provide upper or lower bounds for these times. 
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J. Baris; P. Baris; B. Ruchlewicz. Blow-up Solutions of Quadratic Differential Systems. Contemporary Mathematics. Fundamental Directions, Proceedings of the Fourth International Conference on Differential and Functional-Differential Equations (Moscow, August 14–21, 2005). Part 1, Tome 15 (2006), pp. 29-35. http://geodesic.mathdoc.fr/item/CMFD_2006_15_a2/

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