"backhouse, j k. "
pure mathematics 1: / j.k. backhouse - 3 ed. - uk : longman 1985. - "xix, 464p.; 23 cm."
0-582-35387-4
510. bac
pure mathematics 1: / j.k. backhouse - 3 ed. - uk : longman 1985. - "xix, 464p.; 23 cm."
0-582-35387-4
510. bac