TY  - BOOK
AU  - Shafarevich I. R. 
TI  -  Algebra I : basic notions of algebra
SN  - 9783662387535
AV  - QA154.2 
PY  - 1990///
CY  - New York
PB  - Springer
UR  - https://link.springer.com/chapter/10.1007/978-3-662-39643-8_1
ER  -