Hansen, Arthur G. Similarity analyses of boundary value problems in engineering / by Arthur G. Hansen - Englewood Cliffs, N. J. : Prentice-Hall, 1964 - xiv, 114 p. ; 24 cm. - Prentice-Hall international series in engineering of the physical sciences . Bibliography: p. 109-112. Subjects--Topical Terms: Differential equations, Partial--Numerical solutionsTransformations (Mathematics)Dynamics