TY - GEN AU - Bergman,George M. AU - Hausknecht,Adam O. TI - Cogroups and co-rings in categories of associative rings T2 - Mathematical surveys and monographs SN - 0821804952 AV - QA251.5 U1 - 512.55 PY - 1996/// CY - Providence, R.I. PB - American Mathematical Society KW - Associative rings KW - Categories (Mathematics) KW - Functor theory KW - Corings (Algebra) N1 - Bibliografie Index ER -