01169nam a2200325 i 450099100135984970753620020507192033.0971106s1996 de ||| | eng 3540617299b10836603-39ule_instLE01311074ExLDip.to Matematicaeng512.3AMS 12D15AMS 12J20AMS 14P10Marshall, Murray A.59709Spaces of orderings and abstract real spectra /Murray A. MarshallBerlin :Springer-Verlag,c1996vi, 190 p. ;24 cm.Lecture notes in mathematics,0075-8434 ;1636Includes bibliographical references and indexesFields related with sums of squaresGeneral valuation theory.b1083660323-02-1728-06-02991001359849707536LE013 12D MAR11 (1996)12013000091273le013-E0.00-l- 01010.i1094625128-06-02Spaces of orderings and abstract real spectra78833UNISALENTOle01301-01-97ma -engde 01