TY - RPRT TI - Conserved energy approximation to wave scattering by a nonlinear interface. AU - YM Aliev AU - AD Boardman AU - K Xie AU - AA Zharov PY - 1994 DO - 10.1103/physreve.49.1624 UR - https://pubmed.ncbi.nlm.nih.gov/9961376/ ID - 9961376 ER -