Шаблон:Courant.John.Introduction to Calculus and Analysis.2
Courant, Richard; John, Fritz (1974). Introduction to Calculus and Analysis (PDF). Т. II. New York: Interscience. ISBN 978-3-540-66569-4.(англ.)
Courant, Richard; John, Fritz (1974). Introduction to Calculus and Analysis (PDF). Т. II. New York: Interscience. ISBN 978-3-540-66569-4.(англ.)