The prestigious journal International Journal of Mathematical Sciences published a scientific article of Ibragimbek Akramov, a lecturer of the Department of Tourism at Silk Road International University of Tourism and Cultural Heritage, entitled "Estimates for Oscillatory Integral with D-type Phase Singularities". In his article, the author has highlighted the current topic and presented news with a scientific approach based on this topic.

We wish good luck in the activity to the teacher of our university Akramov Ibrahimbek, congratulating him with this scientific article.