|
by Lewis, J. M., Lakshmivarahan, S., Dhall, Sudarshan Kumar
Published 2006
“...Encyclopedia of mathematics and its applications...”Published 2006
Cambridge University Press
|
by Kristály, Alexandru, Rădulescu, Vicenţiu D., Varga, Csaba Gyorgy
Published 2010
“...Encyclopedia of mathematics and its applications...”Published 2010
Cambridge University Press