LOCAL AND GLOBAL ESTIMATES OF DERIVATIVES OF THE NONHOMOGENEOUS HYPOELLIPTIC EQUATION SOLUTIONS СтатьяBurenkov V.I., MAMAN K.R.Doklady Akademii nauk SSSR. Том 294. 1987. С. 777-781
STUDY OF THE STATE OF OXYGEN DIFFUSING THROUGH THIN SILVER MEMBRANES INTO VACUUM СтатьяGRIAZNOV V.M., GULIANOVA S.G., KOLOSOV E.N., STARKOVSKII N.I.Doklady Akademii nauk SSSR. Том 293. 1987. С. 872-875