Arbabi Mohammad-Abadi, S. et al. 2012. New Exact Solutions of (2 + 1)-Dimensional Bogoyavlenskii Equation by the Sine-Cosine Method. International Journal of Basic and Applied Sciences. 1, 4 (Sep. 2012), 490–497. DOI:https://doi.org/10.14419/ijbas.v1i4.382.