@article{STNB_1970-1971____A7_0,
     author = {Ellison, W. J.},
     title = {On {Sums} of {Squares} in $Q^{\frac{1}{2}}(X)$ etc},
     journal = {S\'eminaire de th\'eorie des nombres de Bordeaux},
     note = {talk:7},
     pages = {1--5},
     publisher = {Laboratoire de th\'eorie des nombres - Universit\'e de Bordeaux I},
     year = {1970-1971},
     zbl = {0278.10045},
     mrnumber = {392880},
     language = {en},
     url = {http://www.numdam.org/item/STNB_1970-1971____A7_0/}
}