1. A.G. Hansen, H.Z. Herzig, On possible similarity solutions for three-dimensional incompressible laminar boundary layers I: Similarity with respect to stationary rectangular coordinates, NACA TN 3768, 1956.
2. A.G. Hansen, H.Z. Herzig, On possible similarity solutions for three-dimensional incompressible laminar boundary layers II: Similarity with respect to stationary polar coordinates, NACA TN 3768, 1956.
3. A.G. Hansen, H.Z. Herzig, On possible similarity solutions for three-dimensional incompressible laminar boundary layers III: Similarity with respect to stationary Polar Coordinates for Small Angle Variation, NACA TN 3768, 1956.
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