I would probably start with the editor-in-chief of this journal and inform them about this finding...and read this advice: http://www.writing-world.com/rights/plagiarism.shtml
One of the authors is here on RG. The other seems to be a fake -- his email goes to a domain owned by a domain marketer... there is no such viable company as "metra.com".
According to a colleague, the publisher "may" be one of those Chinese academic paper mills... they do not share, on their web site, who the editor of the publication is.
When someone else discovered that one of my article was plagiarized, he emailed the editor and told me. The editor/publisher took several steps including withdrawing the article wherever possible. I was supposed to get an apology from the authors responsible for the plagiarism, but I never did. To be blunt, I wasn't all that worried since I had a hard time thinking of any way that this plagiarism would hurt me or my reputation.
My plagiarized article was cited in the article, but this didn't change things because the article included almost no new content and wasn't suitable for publication as an original work.
I can't add much to the excellent advice already given. I think however that it is important to take into account not only the amount of lifting (i.e. the number of words/percentage overlap), but also how they did it. In other words, not all words count the same way. My experience as a forensic linguist doing research into plagiarism shows that the sort of plagiarism strategies described above are the same as the ones used by students who attribute the original authorship here and there so that they can plead academic writing ignorance if detected. Contacting the journal is probably the first step - and perhaps the only one, I'm afraid. Of course if they don't have a reputation, the chances are very slim that they will act upon it... Good luck!
@Valdis, Davidpublishing is already on Beall’s List of Potential, possible, or probable predatory scholarly open-access publishers. You will be wasting your time writing to the publisher. Sorry.
You could try addressing your complaint to the Kharkiv Institute of Banking of the University of Banking of the National Bank of Ukraine.
C'est un problème éthique important. Il faut signaler le plagiat à la fois à la revue où vous avez vous-même publié et à la revue dans laquelle se trouve l'article dans lequel vous avez découvert le plagiat. Vous pouvez aussi essayer de faire intervenir les responsables de votre unité de recherche.
A really interesting discussion here of the problems but so distressing to realise that there is little to be done. On initially reading the question my immediate reaction as a journal editor was "contact the editor" because I would certainly like to be informed and would take action. However, as pointed out here some journals are less interested in academic standards than they are in making a profit.
Valdis, it has been a while since you first posted your question. Have you had any success?