POSITIVE REGIONS IN COMMUTATIVE RINGS

[1] Artin E., 1927, ABH MATH PHYS KGL, V5, P100, DOI 10.1007/bf02952513

[2] WEAK LOCAL GLOBAL PRINCIPLE IN ALGEBRAIC K-THEORY [J]. COMMUNICATIONS IN ALGEBRA, 1975, 3 (07) : 615 - 661

[3] ON THE LOCAL THEORY OF SIGNATURES AND REDUCED QUADRATIC-FORMS [J]. ABHANDLUNGEN AUS DEM MATHEMATISCHEN SEMINAR DER UNIVERSITAT HAMBURG, 1981, 51 : 149 - 195

[4] LANG S, 1975, ALGEBRA, P278

[5] QUADRATIC SEMI-ORDERS AND QUADRATIC FORMS [J]. MATHEMATISCHE ZEITSCHRIFT, 1973, 133 (04) : 319 - 342

[6] PRESTEL A, 1975, LECTURES FORMALLY RE

[7] NULLSTELLENSATZ AND A POSITIVSTELLENSATZ IN SEMIALGEBRAIC GEOMETRY [J]. MATHEMATISCHE ANNALEN, 1974, 207 (02) : 87 - 97

[8] [No title captured]

[1] Artin E., 1927, ABH MATH PHYS KGL, V5, P100, DOI 10.1007/bf02952513

[2] WEAK LOCAL GLOBAL PRINCIPLE IN ALGEBRAIC K-THEORY [J]. COMMUNICATIONS IN ALGEBRA, 1975, 3 (07) : 615 - 661

[3] ON THE LOCAL THEORY OF SIGNATURES AND REDUCED QUADRATIC-FORMS [J]. ABHANDLUNGEN AUS DEM MATHEMATISCHEN SEMINAR DER UNIVERSITAT HAMBURG, 1981, 51 : 149 - 195

[4] LANG S, 1975, ALGEBRA, P278

[5] QUADRATIC SEMI-ORDERS AND QUADRATIC FORMS [J]. MATHEMATISCHE ZEITSCHRIFT, 1973, 133 (04) : 319 - 342

[6] PRESTEL A, 1975, LECTURES FORMALLY RE

[7] NULLSTELLENSATZ AND A POSITIVSTELLENSATZ IN SEMIALGEBRAIC GEOMETRY [J]. MATHEMATISCHE ANNALEN, 1974, 207 (02) : 87 - 97

[8] [No title captured]