@book{MSMF_1971__27__3_0,
     author = {Dhombres, Jean G.},
     title = {Sur les op\'erateurs multiplicativement li\'es},
     series = {M\'emoires de la Soci\'et\'e Math\'ematique de France},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {27},
     year = {1971},
     doi = {10.24033/msmf.54},
     mrnumber = {58 #30450},
     zbl = {0238.47025},
     language = {fr},
     url = {http://www.numdam.org/item/MSMF_1971__27__3_0/}
}