"course team, . "
rings and ideals special rings: topics in mathematics units 17 and 19/ course team - 1 ed. - uk : the open university 1973. - ", 28p.; 29 cm."
335013686
rings and ideals special rings: topics in mathematics units 17 and 19/ course team - 1 ed. - uk : the open university 1973. - ", 28p.; 29 cm."
335013686