R. Savastru, S. Dontu, D. Savastru, M. Tautan, V. Babin, 2012. Stable one-dimensional periodic wave in Kerr Type and quadratic nonlinear media. Mathematical Problems in Engineering, 2012, pp. 1-6, doi:10:1155/2012/532610.
R. Savastru, S. Dontu, D. Savastru, M. Tautan, V. Babin, 2012. Stable one-dimensional periodic wave in Kerr Type and quadratic nonlinear media. Mathematical Problems in Engineering, 2012, pp. 1-6, doi:10:1155/2012/532610.