@incollection{401600,
title = {Origin of product integration},
booktitle = {Matematika v prom\v en\'ach v\v ek\r u. III},
series = {GDML\_Books},
publisher = {V\'yzkumn\'e centrum pro d\v ejiny v\v edy},
address = {Praha},
year = {2004},
pages = {156-205},
language = {en},
url = {http://dml.mathdoc.fr/item/401600}
}
Slavík, Antonín. Origin of product integration, dans Matematika v proměnách věků. III, GDML_Books, (2004), pp. 156-205. http://gdmltest.u-ga.fr/item/401600/