%0 Journal Article %A L. M. Berkovich %T The Gylden--Meshcherskii problem and the laws of variation of mass %J Doklady Akademii Nauk %D 1980 %P 1088-1091 %V 250 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_250_5_a16/ %G ru %F DAN_1980_250_5_a16