The limit of a sequence of squares in an algebra need not be a square.
Arens, Richard
Pacific J. Math., Tome 140 (1989) no. 2, p. 15-18 / Harvested from Project Euclid
Publié le : 1989-05-14
Classification:  46H05,  46M40
@article{1102650533,
     author = {Arens, Richard},
     title = {The limit of a sequence of squares in an algebra need not be a square.},
     journal = {Pacific J. Math.},
     volume = {140},
     number = {2},
     year = {1989},
     pages = { 15-18},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1102650533}
}
Arens, Richard. The limit of a sequence of squares in an algebra need not be a square.. Pacific J. Math., Tome 140 (1989) no. 2, pp.  15-18. http://gdmltest.u-ga.fr/item/1102650533/