Izydorek, Marek and Janczewska, Joanna. "The shadowing chain lemma for singular Hamiltonian systems involving strong forces"
Open Mathematics, vol. 10, no. 6, 2012, pp. 1928-1939.
https://doi.org/10.2478/s11533-012-0107-6
Izydorek, M. and Janczewska, J. (2012) The shadowing chain lemma for singular Hamiltonian systems involving strong forces. Open Mathematics, Vol. 10 (Issue 6), pp. 1928-1939.
https://doi.org/10.2478/s11533-012-0107-6
Izydorek, Marek and Janczewska, Joanna. "The shadowing chain lemma for singular Hamiltonian systems involving strong forces"
Open Mathematics 10, no. 6 (2012): 1928-1939.
https://doi.org/10.2478/s11533-012-0107-6