@article{BSMF_1969__97__381_0,
     author = {Bigard, A. and Keimel, K.},
     title = {Sur les endomorphismes conservant les polaires d'un groupe r\'eticul\'e archim\'edien},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {381--398},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {97},
     year = {1969},
     doi = {10.24033/bsmf.1690},
     mrnumber = {41 #6747},
     zbl = {0215.34203},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.1690/}
}