Analysis of information sources in references of the Wikipedia article "تبديل (رياضيات)" in Arabic language version.
Cauchy used his permutation notation—in which the arrangements are written one below the other and both are enclosed in parentheses—for the first time in 1815.
Cauchy used his permutation notation—in which the arrangements are written one below the other and both are enclosed in parentheses—for the first time in 1815.