Ghosh, Rama Krishna. Differential calculus : an introduction to analysis / Rama Krishna Ghosh and Kantish Chandra Maity . - 6th ed. - Calcutta: New Central Book, 1989 - 444p. Standard No.: 494 [RecID from old SOUL v2 database] Subjects--Index Terms: Calculus - Differential Dewey Class. No.: 515.33