"backhouse, j k. "
pure mathematics 1: / j.k. backhouse - 4 ed. - england : longman 1985. - "xix, 587p.; 24 cm."
0-582-35386-6
--
510. bac
pure mathematics 1: / j.k. backhouse - 4 ed. - england : longman 1985. - "xix, 587p.; 24 cm."
0-582-35386-6
--
510. bac