01777nam0 2200337 i 450 SUN002458120170728124542.681978-08-218-2057-50.0020040923d2000 |0engc50 baengUS|||| |||||*Special groupsBoolean-theoretic methods in the theory of quadratic formsM. A. Dickmann, F. MiragliaProvidenceAMS2000XVI, 247 p.26 cm.001SUN00243702001 Memoirs of the American Mathematical Society689210 ProvidenceAmerican mathematical society.11-XXNumber theory [MSC 2020]MFSUNC01968811E81Algebraic theory of quadratic forms; Witt groups and rings [MSC 2020]MFSUNC02144812D15Fields related with sums of squares (formally real fields, Pythagorean fields, etc.) [MSC 2020]MFSUNC02177019G12Witt groups of rings [MSC 2020]MFSUNC023957USProvidenceSUNL000273Dickmann, Max A.SUNV020615766948Miraglia, FranciscoSUNV020616728647American mathematical societySUNV001080650Dickmanm, MaxDickmann, Max A.SUNV094657ITSOL20201012RICAhttps://books.google.it/books?id=VffTCQAAQBAJ&pg=PR12&dq=Special+Groups+:+Boolean-Theoretic+Methods+in+the+Theory+of+Quadratic+Forms&hl=it&sa=X&ved=0ahUKEwiY04Pp5avVAhVFVxQKHXGuCeMQ6AEIJjAA#v=onepage&q&f=falsePreviewSUN0024581UFFICIO DI BIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICA08PREST 06-XX 1138 08 5784 I 20040923 Special groups1561014UNICAMPANIA