Hirschman, I. I., & Widder, D. V. (1965). La transformation de convolution. Gauthier-Villars.
Cita Chicago (17th ed.)Hirschman, Isidore Isaac, i David Vernon Widder. La Transformation De Convolution. París: Gauthier-Villars, 1965.
Cita MLA (9th ed.)Hirschman, Isidore Isaac, i David Vernon Widder. La Transformation De Convolution. Gauthier-Villars, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.