ON A LIOUVILLE TRANSFORMATION FOR U SUB XX + U SUB YY = A(2) (X,Y)U = 0 Open PDF Document Details Document Type Technical Report Publication Date Jul 22, 1958 Accession Number AD0606944 Entities People Richard E. Bellman Organizations RAND Corporation Tags DTIC Thesaurus Topics Coefficients Differential Equations Equations Mathematical Analysis Mathematics New York Orthogonality Partial Differential Equations