A meeting of the MSU dissertation Council was held on December 12, 2019 where the thesis of Pavel Rosnitskiy "Multiparametric analysis of nonlinear effects in shock-wave fields generated by focusing systems for applications in non-invasive ultrasound surgery" was presented. The PhD thesis was prepared under supervision of Dr. Vera Khokhlova. According to the results of the meeting, Pavel received the  Ph.D.degree in Acoustics. We congratulate Pavel and wish him new scientific achievements!