February 25, 1977 (, Dimba years the first month, eighth day), the mathematician Yang Le, Zhang thickness function theory to obtain important results. the


Yang Yue Zhang thick
February 1977, Yang Le, Zhang thick functional theory to obtain important results. The organic link between the two main concepts of "the deficient values" and "singular direction" the first time in the world to find the function value distribution theory research. (History. Cn)