TY  - DATA
AU  - Polishchuk, Alexander,
AU  - Positselski, Leonid
TI  - Quadratic algebras 
T2  - University Lecture Series, 
SN  - 9781470421823 (online)
PY  - 2005///
CY  - Providence, R.I.
PB  - American Mathematical Society
KW  - Associative rings
KW  - Commutative rings
KW  - Quadratic fields
KW  - Stochastic processes
N1  - Includes bibliographical references (p. 155-159)
UR  - https://doi.org/http://dx.doi.org/10.1090/ulect/037
ER  -