The velocity profile in a fluid boundary layer described by the Blasius differential equation Eric Weisstein's World of Math
with boundary conditions
References
Meyer, G. H. Initial Value Methods for Boundary Value Problems: Theory and Application of Invariant Imbedding. New York: Academic Press, 1973.
Rosenhead, L. (Ed.). Laminar Boundary Layers. Oxford, England: Oxford University Press, 1963.
Schlichting, H. Boundary Layer Theory, 7th ed. New York: McGraw-Hill, 1979.
Tritton, D. J. Physical Fluid Dynamics, 2nd ed. Oxford, England: Clarendon Press, p. 129, 1988.
Zwillinger, D. Handbook of Differential Equations, 3rd ed. Boston, MA: Academic Press, p. 128, 1997.