TY - BOOK AU - Vermani,Lekh R. TI - An elementary approach to homological algebra T2 - Chapman & Hall/CRC monographs and surveys in pure and applied mathematics SN - 1584884002 (papel alcalino) AV - QA169 V475 PY - 2003/// CY - Boca Raton PB - Chapman and Hall/CRC KW - Álgebra homológica ER -