courbe de Lissajous
1984 / Corrections for Lissajous figures in books / Mu-Shiang Wu ; W. H. Tsai / American Journal of Physics 52 (1984) p. 657 [doi]
1986 / More on Lissajous figures / P. Jasselette ; J. Vandermeulen / American Journal of Physics 54 (1986) p. 182 [doi]