Yuri L. Ershov Books

Definability and Computability

By IUrii Leonidovich Ershov, Yuri L. Ershov

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Constructive Models

By IUrii Leonidovich Ershov, Yuri L. Ershov, Sergei S. Goncharov

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Multi Valued Fields Siberian School of Algebra and Logic

By IUrii Leonidovich Ershov, Yuri L. Ershov

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"The book deals with the theory of valued fields and multi-valued fields. The theory of Prufer rings is discussed from the "geometric" point of view. The author shows that by introducing the Zarisk...

Multi Valued Fields

By Yuri L. Ershov

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Constructive Models

By Yuri L. Ershov

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Multi Valued Fields

By Yuri L. Ershov

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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.