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Figure 4 .

Variation of the skin friction coefficient for different values ofMwhen<a onClick="popup('http://www.boundaryvalueproblems.com/content/2013/1/32/mathml/M32','MathML',630,470);return false;" target="_blank" href="http://www.boundaryvalueproblems.com/content/2013/1/32/mathml/M32">View MathML</a>.

Ali et al. Boundary Value Problems 2013 2013:32   doi:10.1186/1687-2770-2013-32
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