Dusan Repovs Books

Nonlinear Analysis Theory and Methods

By Nikolaos S. Papageorgiou, Dusan Repovs, Vicentiu D. Radulescu

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Higher dimensional generalized manifolds

By Alberto Cavicchioli

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Continuous Selections of Multivalued Mappings

By Dusan Repovs

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This book is the first systematic and comprehensive study of the theory of continuous selections of multivalued mappings. This interesting branch of modern topology was introduced by E.A. Michael i...

Continuous Selections of Multivalued Mappings

By Dusan Repovs

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.