TY - JOUR AU - N. A. Tikhonov TI - Harmonic beats in a nonlinear dispersive medium, and the determination from them of properties of the medium JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1971 SP - 1476 EP - 1487 VL - 11 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1971_11_6_a9/ LA - ru ID - ZVMMF_1971_11_6_a9 ER -