DEPENDENCE OF THE CATALYTIC ACTIVITY OF PALLADIUM-RUTHENIUM ALLOYS ON THEIR COMPOSITION AND CONDITIONS OF HEAT TREATMENT Статья Khrapova E.V., Gryaznov V.M., Kaluga V.I., Roshan N.R., Shimulis V.I., Dzhuntini B., Kornilov V.V. Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. Kluwer Academic Publishers-Plenum Publishers. Том 22. 1973. С. 2377-2381
ABOUT THE STABILITY OF THE LIBRATION POINTS OF A ROTATING TRIAXIAL ELLIPSOID IN A DEGENERATE CASE Статья Zhuravlev S.G. Celestial Mechanics. Kluwer Academic Publishers. Том 8. 1973. С. 75-84