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@article{JRAM_1984__347_152595, author = {Niels Schwartz}, title = {Chain signatures and real closures.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {1--20}, publisher = {mathdoc}, volume = {347}, year = {1984}, zbl = {0531.12017}, url = {http://geodesic.mathdoc.fr/item/JRAM_1984__347_152595/} }
Niels Schwartz. Chain signatures and real closures.. Journal für die reine und angewandte Mathematik, Tome 347 (1984), pp. 1-20. http://geodesic.mathdoc.fr/item/JRAM_1984__347_152595/