TY  - BOOK
AU  - Harcet,Josip
AU  - Heinrichs,Lorraine
AU  - Seiler,Palmira Mariz
AU  - Torres Skoumal,Marlene
TI  - Mathematics higher level: sets, course companion 
T2  - Oxford IB diploma programme
SN  - 9780198304869 (pbk.) :
U1  - 511.32 23
PY  - 2015///
CY  - Oxford
PB  - Oxford University Press
KW  - Set theory
KW  - Problems, exercises, etc
ER  -