Raj, Hem . A Text book of Pure Mathematics / Textual Documents Hem Raj, Giridhar Lal Gupta & Hukam Chand. - 4th ed. / - Delhi : Atma Ram & Sons , 1954. - 428p. ; 22cm. Subjects--Index Terms: Pure Mathematics G-Mathematics Dewey Class. No.: 510 / R 137 T