Academic Degrees	1945	M.Sc., Mechanics, Saratov State University.
	1948	Ph.D., Physical and Mathematical Sciences, Institute of Mechanics of the USSR Academy of Sciences
	1953	Doctor of Physical and Mathematical Sciences, Institute of Mechanics of the USSR Academy of Sciences
	1956	Professor of Theoretical Mechanics, Moscow State University
	1970	Corresponding Member of the USSR Academy of Sciences
	1992	Academician (member) of the Russian Academy of Scienes
Professional Experience	1948-53	Junior Researcher, Scientific Secretary, Doctorant, Institute of Mechanics of the USSR Academy of Sciences (IMAS)
	1953-60	Senior Researcher, IMAS
	1961-64	Head of the Department of Analitical Mechanics, IMAS
	1965-72	Senior Researcher, Computing Centre of the USSR Academy of Sciences (CCAS)
	1973-85	Head of the Subdepartment of Stability Theory and Mechanics of Control Systems, CCAS
	1986-p.t.	Head of the Department of Mechanics, CCAS
	1956-p.t.	Professor of the Cathedra of Theoretical Mechanics, Faculty of Mechanics and Mathematics, Moscow State University