Published version of an article in the journal: Journal of Applied Mathematics. Also available from the publisher at: http://dx.doi.org/10.1155/2013/452391 Open Access
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机译:该期刊上的文章的发行版本:应用数学杂志。也可以从发布商处获得:http://dx.doi.org/10.1155/2013/452391 Open Access
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