Editing Total variation (section)

==References==
*{{Citation
| last1 = Adams
| first1 = C. Raymond
| last2 = Clarkson
| first2 = James A.
| title = On definitions of bounded variation for functions of two variables
| journal = [[Transactions of the American Mathematical Society]]
| volume = 35
| issue = 4
| pages = 824–854
| year = 1933
| doi = 10.1090/S0002-9947-1933-1501718-2
| jfm = 59.0285.01
| mr = 1501718 
| zbl = 0008.00602
| doi-access = free
}}.
*{{Citation
| last = Cesari
| first = Lamberto
| author-link = Lamberto Cesari
| title = Sulle funzioni a variazione limitata (On the functions of bounded variation)
| journal = [[Annali della Scuola Normale Superiore]]
| series = II
| volume = 5
| issue = 3–4
| language = it
| pages = 299&ndash;313
| year = 1936
| url = http://www.numdam.org/item?id=ASNSP_1936_2_5_3-4_299_0
| jfm = 62.0247.03 
| mr = 1556778
| zbl = 0014.29605
}}. Available at [http://www.numdam.org Numdam].

*{{Citation
 | last =Leoni
 | first =Giovanni
 | title = A First Course in Sobolev Spaces: Second Edition
 | publisher =American Mathematical Society
 | series = Graduate Studies in Mathematics
 | year =2017
 | pages =xxii+734
 | isbn = 978-1-4704-2921-8
}}.
*{{Cite book
| last = Saks
| first = Stanisław
| author-link = Stanisław Saks
| title = Theory of the Integral
| place = Warszawa–Lwów
| publisher = G.E. Stechert & Co.
| year = 1937
| series= Monografie Matematyczne
| volume = 7
| edition = 2nd
| pages = VI+347
| url = http://matwbn.icm.edu.pl/kstresc.php?tom=7&wyd=10&jez=pl
| jfm = 63.0183.05
| zbl = 0017.30004
}}. (available at the [http://matwbn.icm.edu.pl/ksspis.php?wyd=10&jez=pl Polish Virtual Library of Science]). English translation from the original French by [[Laurence Chisholm Young]], with two additional notes by [[Stefan Banach]].
*{{Citation
| last = Rudin
| first = Walter
| author-link = Walter Rudin
| title = Real and Complex Analysis
| place = New York
| publisher = McGraw-Hill
| series = McGraw-Hill Series in Higher Mathematics
| year = 1966
| edition = 1st
| pages = xi+412
| mr = 210528
| zbl = 0142.01701
}}.