%0 Journal Article %A N. A. Tikhonov %T Harmonic beats in a nonlinear dispersive medium, and the determination from them of properties of the medium %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1971 %P 1476-1487 %V 11 %N 6 %U http://geodesic.mathdoc.fr/item/ZVMMF_1971_11_6_a9/ %G ru %F ZVMMF_1971_11_6_a9