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Elementary Number Theory: A Collection of Problems with Solutions 1st Edition, authored by V K Krishnan, is a book that gives a brief introduction to readers about elementary number theory. It includes a collection of three problems and their solutions. It is essential for undergraduate student, and is suitable for self-study since the proofs of theorems and solutions to problems is given in detail. About V K Krishnan V K Krishnan was a former Professor of Mathematics at Saint Thomas College, Thrissur, Kerala. He has obtained his PhD in Mathematics from the University of Calicut. He has authored Textbook of Functional Analysis: A Problem Oriented Approach which was published by Prentice Hall of India, and Fundamentals of Real Analysis, published by Pearson Education. He has also published many research papers in international journals. His interests lie in Tauberian theorems in summability theory which is a branch of classic analysis.