Letter to unknown person

[yunakim]

I want to send an email to a person who i don't know except his name.
The mail is for asking some questions about his published article.
I'd like to ask him as politely as possible.
Could you check this mail?

--
Dear Mr. (name),

I am the one who is interested in your research area.
I read your paper under the title "(article title)" published by (journal name) in 2007.
Some questions popped up when reading it.
1. What ~~~?
2. How ~~~?
I know you're busy doing your work, but could you answer them?
It would be a big help for understanding your paper thoroughly.
Thanks in advance.

Yours Sincerely,
--

[Horsa]

Dear Mr. (name),

I am writing in connection with your paper "(article title)" in (journal name) which I have recently read.

I am very interested in this area of research and would like to ask some questions relating to your paper. I realise that you must be very busy, but I hope that you are able to find the time to answer them. They are as follows.

1. What ~~~?

2. How ~~~?

Even if, owing to pressure of work, you are unable to respond at this moment in time. I would like to thank you for your time and wish you well in your future endeavors.

Yours Sincerely,

[yunakim]

Very thanks!!!

[Anglika]

Many thanks!!!

[yunakim]

Many Thanks !!