Enjoy 93 years old. The old man created a differential geometric school in almost one hand, and the tributary of this mathematics is also a large number of people in the math circles in the past few years. Silently mourning. . .
Attached: Chen province's first briefings (you can see it in the past .9cbs said this article has a prohibition, it is really a ghost)
http://www.tjstm.cc/ye/chenjin.htm
