Basarab-Horwath, B. ; Euler, Norbert ; Euler, M. ; Fushchych, W. I. (1995)
Amplitude-phase representation for solutions of nonlinear d'Alembert equations.
In: Journal of Physics A: Mathematical and General, 28 (21)
doi: 10.1088/0305-4470/28/21/022
Article, Bibliographie