%0 Journal Article %A N. A. Bodunov %T Tests of the uniqueness of the $O$-curve for $N_2$ in $R^n$ %J Differencialʹnye uravneniâ %D 1974 %P 1366-1374 %V 10 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1974_10_8_a2/ %G ru %F DE_1974_10_8_a2