In the artcile the author deals with a controversis between the Turkologist, Mongolist, Tungusologist and Altaicist G. Doerfer and the Turkologist O.F. Sertkaya from the years 1983–1991. The whole matter was starting with a paper written by Doerfer to demonstrate the principles of writing reviews which led to the unnecessary dispute between the two scholars based on deeeply misunderstandings.