TY  - BOOK
AU  - Pontryagin Lev Semenivich
AU  - Bagemihl F.
AU  - Komm H.
AU  - Seidel W.
TI  - Foundations of combinatorial topology / 
U1  - 514.22   23
PY  - 1952///
CY  - Rochester, NY : 
PB  - Graylock Press , 
KW  - Topology
KW  - Combinatorial topology
N1  -  Includes bibliographical reference and index
ER  -