TY  - BOOK
A2  - Lindsay N. Childs.
AU  - Childs, Lindsay
ET  - 3rd ed.
KW  - Algebra
NV  - XIV, 603 s. ;
PY  - 2009
SN  - 9780387745275
SN  - 9780387747255
TI  - A concrete introduction to higher algebra /
UR  - https://www.infona.pl/resource/isbn/9780387745275
ER  -