PARTICLE STABILITY IN NONLINEAR SCALAR FIELD THEORY Статья Kumar A. Soviet Physics Journal. Kluwer Academic Publishers-Plenum Publishers. Том 22. 1979. С. 948-951
EQUATIONS OF STATE OF CRYSTALS WITH STRONG SIXTH-ORDER ANHARMONICITY Статья Zubov V.I., Kaparika A.A. Soviet Physics Journal. Kluwer Academic Publishers-Plenum Publishers. Том 22. 1979. С. 874-878