“Number theory through exercises”, (2019), USA (260 pages, in english). Buy this book online
“Number theory through exercises”, (2019), USA (260 pages, in english). Buy this book online
Sedrakyan Hayk, Sedrakyan Nairi, “The Stair-Step Approach in Mathematics”, (2018), Springer, USA (550 pages, in english). Buy this book online
Sedrakyan Hayk, Sedrakyan Nairi, “Algebraic Inequalities”, (2018), Springer, USA (256 pages, in english). Buy this book online
Sedrakyan H.N., Sedrakyan N.M., “Geometric Inequalities. Methods of proving”, (2017), Springer, USA (464 pages, in english). Buy this book online