@article{JTNB_1990__2_2_425_0,
     author = {Sigrist, Fran\c{c}ois},
     title = {Formes quadratiques encapsul\'ees},
     journal = {S\'eminaire de th\'eorie des nombres de Bordeaux},
     pages = {425--429},
     publisher = {Universit\'e Bordeaux I},
     volume = {2e s{\'e}rie, 2},
     number = {2},
     year = {1990},
     mrnumber = {1081734},
     zbl = {0722.11032},
     language = {fr},
     url = {http://www.numdam.org/item/JTNB_1990__2_2_425_0/}
}