Igor R. Shafarevich Books

Geometries and Groups

By Igor R. Shafarevich, V. V. Nikulin, Viacheslav V. Nikulin

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Algebra Encyclopaedia of Mathematical Sciences

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Basic Notions of Algebra

By Igor R. Shafarevich, Aleksej I. Kostrikin

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This book consists of two parts. The first is devoted to the theory of curves, which are treated from both the analytic and algebraic points of view. Starting with the basic notions of the theory o...

Algebraic Geometry III

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Algebra VI

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Algebra VII

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Basic Algebraic Geometry 1

By Igor R. Shafarevich

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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.