@article{AIHPA_1992__56_2_215_0,
     author = {Torresani, B.},
     title = {Time-frequency representations : wavelet packets and optimal decomposition},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {215--234},
     publisher = {Gauthier-Villars},
     volume = {56},
     number = {2},
     year = {1992},
     mrnumber = {1155278},
     zbl = {0760.42021},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1992__56_2_215_0/}
}