Figure 1.

Solutions found by numerical stimulations with (a):<a onClick="popup('http://www.boundaryvalueproblems.com/content/2012/1/112/mathml/M153','MathML',630,470);return false;" target="_blank" href="http://www.boundaryvalueproblems.com/content/2012/1/112/mathml/M153">View MathML</a>,<a onClick="popup('http://www.boundaryvalueproblems.com/content/2012/1/112/mathml/M154','MathML',630,470);return false;" target="_blank" href="http://www.boundaryvalueproblems.com/content/2012/1/112/mathml/M154">View MathML</a>in equation (4.5); (b):<a onClick="popup('http://www.boundaryvalueproblems.com/content/2012/1/112/mathml/M155','MathML',630,470);return false;" target="_blank" href="http://www.boundaryvalueproblems.com/content/2012/1/112/mathml/M155">View MathML</a>,<a onClick="popup('http://www.boundaryvalueproblems.com/content/2012/1/112/mathml/M156','MathML',630,470);return false;" target="_blank" href="http://www.boundaryvalueproblems.com/content/2012/1/112/mathml/M156">View MathML</a>in equation (4.4).

Liang Boundary Value Problems 2012 2012:112   doi:10.1186/1687-2770-2012-112
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