TY  - GEN
AU  - Borsuk, Karol
TI  - Theory of retracts
U1  - 515.1 
PY  - 1967///
CY  - Warszawa
PB  - PWN - Polish Scientific Publ
KW  - Topologie generala
KW  - Topologie algebrica
KW  - Grupuri topologice
N1  - Contine bibliogr. si index
ER  -