Dear Professor ×××
I am in ××× Institute of ×××, Chinese Academy of Sciences.
I am writing to request your
assistance. I search one of your papers:
。。。。。。。。。。。。。。。。。(你的文献题目)
but I can not read full-text content, would you mind sending your papers by E-mail? Thank you
for your assistance.
Best wishes !(or best regards)