Combinational topology
Aleksandrov, P.S.
Combinational topology - Rochester: Graylock press, 1957.
vol. 1: vol. 2: The Betti groups
CHAINS
TEORIA DE GRUPOS
PRINCIPIOS DE INVARIANZA
Combinational topology - Rochester: Graylock press, 1957.
vol. 1: vol. 2: The Betti groups
CHAINS
TEORIA DE GRUPOS
PRINCIPIOS DE INVARIANZA