Real analysis

LACZKOVICH, Miklós - SÓS, Vera T. Real analysis : series, functions of several variables, and applications. New York : Springer, 2017. ix, 392 s. Undergraduate texts in mathematics. Dostupné na: https://doi.org/10.1007/978-1-4939-7369-9. ISBN 978-1-4939-7367-5.