%0 Journal Article %A Yu. M. Loskutov %T Why are the predictions of~the general theory of~relativity for gravitational effects nonunique? %J Teoretičeskaâ i matematičeskaâ fizika %D 1990 %P 464-469 %V 83 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1990_83_3_a14/ %G ru %F TMF_1990_83_3_a14