1. On Fundamental Solutions for the Tricomi Operator;Barros-Neto,1999
2. Fundamental Solutions for the Tricomi Operator;Barros-Neto;Duke Math. J.,1999
3. Higher Transcendental Functions;Erdély,1953
4. Generalized Functions;Gelfand,1964
5. Mixed Elliptic-Hyperbolic Partial Differential Operators: A Case-Study in Fourier Integral Operators;Groothuizen,1985