TY - BOOK AU - Bucur, Ion AU - Bers, L [series editor] AU - Courant, R [series editor] AU - Stoker, J J [Series editor] TI - Introduction to the theory of categories and functions U1 - 517.5 PY - 1968/// CY - London PB - Wiley Interscience Publishers KW - Abelion category KW - Category theory KW - Homological algebra ER -