Hafstrom, John Edward Introduction to analysis and abstract algebra/ John Edward Hafstrom. - Philadelphia: Saunders, 1967. - xii, 344 p.: illus., 25 cm. - Saunders mathematics books . LCCN: 67010136 //r84 Nat. Bib. No.: GB67-3908 Subjects--Topical Terms: Mathematical analysis.Algebra, Abstract. Dewey Class. No.: 515.1 / H139i