"bostock, l . "
mathematics-the core course for a-level: / l.. bostock - 1 ed. - uk : elbs 1981. - "xiii, 752p.; 23 cm."
0 85950 521 9
--
510. bos
mathematics-the core course for a-level: / l.. bostock - 1 ed. - uk : elbs 1981. - "xiii, 752p.; 23 cm."
0 85950 521 9
--
510. bos