TY  - DATA
AU  - Pavel Galashin
TI  - Purity and Separation for Oriented Matroids 
T2  - Memoirs of the American Mathematical Society
SN  - 9781470475949 (online)
PY  - 2023///]
CY  - Rhode Island, U.S. : 
PB  - American Mathematical Society
UR  - https://www.ams.org/books/memo/1439/
ER  -