@article{PDML_1982___8C_A1_0,
     author = {Buchwalter, H. and Tarral, D.},
     title = {Th\'eorie spectrale},
     journal = {Publications du D\'epartement de math\'ematiques (Lyon)},
     pages = {1--198},
     publisher = {Universit\'e Claude Bernard - Lyon 1},
     number = {8C},
     year = {1982},
     mrnumber = {719649},
     zbl = {0532.47014},
     language = {fr},
     url = {http://www.numdam.org/item/PDML_1982___8C_A1_0/}
}