For citations:
Nigmatullin R.R., Litvinov A.A., Osokin S.I. New Possibilities of the Fourier Transformation: How to Describe an Arbitrary Frequency-Phase Modulated Signal? Russian Digital Libraries Journal. 2025;28(2):378–397. (In Russ.) https://doi.org/10.26907/1562-5419-2025-28-2-378–397