Jerzy Urbanowicz Books

Congruences for L Functions Mathematics and Its Applications

By J. Urbanowicz, K. Williams, Jerzy Urbanowicz

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Congruences for L Functions

By Jerzy Urbanowicz

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This book provides a comprehensive and up-to-date treatment of research carried out in the last twenty years on congruences involving the values of L-functions (attached to quadratic characters) at...

Congruences for L-Functions

By Jerzy Urbanowicz

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Number Theory in Progress

By Jerzy Urbanowicz, Henryk Iwaniec

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Public Key Cryptography and Computational Number Theory

By International Conference On Public Key Cryptography And Computational Number Theory 2000 Warsaw Poland

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Number Theory in Progress

By Jerzy Urbanowicz, Kalman Gyory, Henryk Iwaniec

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Number Theory in Progress

By Jerzy Urbanowicz, Klmn Gyry, Henryk Iwaniec

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Public Key Cryptography and Computational Number Theory

By Kazimierz Alster, Jerzy Urbanowicz, Hugh C. Williams

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Public Key Cryptography and Computational Number Theory

By Kazimierz Alster, Jerzy Urbanowicz, Hugh C. Williams

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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.