Kanokporn Palasri. 1999. Solutions of the system of functional equations f(xoy)=f(x)g(y)+g(x)f(y) and g(xoy)=g(x)g(y)-f(x)f(y) on semigroups. Graduate School, Chulalongkorn University;
Kanokporn Palasri. (1999) Solutions of the system of functional equations f(xoy)=f(x)g(y)+g(x)f(y) and g(xoy)=g(x)g(y)-f(x)f(y) on semigroups . Chulalongkorn University/Bangkok.
Kanokporn Palasri. Solutions of the system of functional equations f(xoy)=f(x)g(y)+g(x)f(y) and g(xoy)=g(x)g(y)-f(x)f(y) on semigroups. . Bangkok:Chulalongkorn University, 1999.
Kanokporn Palasri. (1999) Solutions of the system of functional equations f(xoy)=f(x)g(y)+g(x)f(y) and g(xoy)=g(x)g(y)-f(x)f(y) on semigroups . Chulalongkorn University/Bangkok.