Nikolai Tarkhanov Books

The analysis of solutions of elliptic equations

By N. N. Tarkhanov

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Complexes of Differential Operators

By Nikolai Tarkhanov

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The main topic of Complexes of Differential Operators is the study of general complexes of differential operators between sections of vector bundles. Although the global situation and the local one...

Oscillations and Resonances

By Nikolai N. Tarkhanov, Oleg M. Kiselev, Sergey G. Glebov

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Nonlinear Equations with Small Parameter

By Sergei Glebov, Oleg M. Kiselev, Nikolai Tarkhanov

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Complexes of Differential Operators

By Nikolai Tarkhanov

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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.