Who knows the original publication of Laplace transformation by Laplace?

dongsh2
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Dear Sir/Madam,

Who knows the original publication of Laplace transformation by Laplace? Which journal and what "Title"?

Recently I was recognized this problem when one of my student asked me this problem. I try to find it, but it failed to get it.
 
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dongsh2:
Google "Laplace transform" and check the historical references at the end of the wikipedia article on same. There are several references there which seem to answer your question.
 
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