Abstract:
Author's summary of a dissertation submitted for the degree of Doctor of Physicomathematical
Sciences. The dissertation was defended February 10, 1970, at a meeting of
the Scientific Council of the Institute of Applied Mathematics, Academy of Sciences of the USSR.
Official opponents: B. V. Gnedenko, Academician of the Academy of Sciences of the USSR,
Yu. V. Prokhorov, Corresponding Member of the Academy of Sciences of the USSR,
and N. N. Chentsov, Doctor of Physicomathematical Sciences.