Problems of the impact theory: Billiards 2010, Vol. 6, No. 2, pp. 371-372 Citation: Problems of the impact theory: Billiards, Rus. J. Nonlin. Dyn., 2010, Vol. 6, No. 2, pp. 371-372 DOI:10.20537/nd1002011 Download File PDF, 77.49 Kb This work is licensed under a Creative Commons Attribution-NoDerivs 3.0 Unported License