TY - GEN AU - Tachikawa,Hiroyuki TI - Quasi-Frobenius rings and generalizations: QF-3 and QF-1 rings T2 - Lecture notes in mathematics SN - 0387065016 (New York) U1 - 510/.8 s512/.4 PY - 1973/// CY - Berlin, New York PB - Springer-Verlag KW - Quasi-Frobenius rings N1 - Cuprinde bibliografie ER -