Rotman, Joseph J. Journey into mathematics : An introduction to proofs / Joseph J. Rotman. - 1a ed. - Upper Saddle River, NJ. : Prentice Hall, 1998 - xiii, 237 p. : il. ; 24 cm. Incluye índice ISBN: 0138423601 Subjects--Topical Terms: Matemáticas--Exámenes LC Class. No.: QA9.54 / R68 1998