Malhotra, O.P.. Pure Mathematics: Vol II / Textual Documents O.P.Malhotra & S.K.Gupta. - 7th ed. / - New Delhi : S. Chand & Company , 1988. - 659p. : ill ; 22cm . Subjects--Index Terms: Mathematics G-Mathematics T/G-Mathematics Dewey Class. No.: 510 / Ma 29 Pu