References
- Jan Mikusiński, Operational Calculus, Pergamon Press, London and New York, 1959.
- Jan Mikusiński; ibid. p. 342.
- Jan Mikusiński, ibid, part 1, chapter 2.
- Jan Mikusiński, ibid, part 1, chapter 3.
- Jan Mikusiński, ibid. p. 42, ex. 1. The equation should read x'-x = (2t − l)et2.
- Jan Mikusiński, ibid. part 2, chapter 3.
- Jan Mikusiński, ibid. p. 164, 12.
- Josef Eliáš, O Operátorovej Metóde Riesenia Diferenčyyeh Rovnik, Mat.-Fyz. Časopis, Sav. VIII, 4(1958) 203–227.
- T. A. Newton, An application of the generating function to differential equations, this Monthly, 68(1961) 242–244.
- D. H. Moore, Convolution products and quotients and algebraic derivatives of sequences, this Monthly, 69(1962) 132–138.
- L. Brand, Binomial expansions in factorial powers, this Monthly, 67(1960) 953–957.