%0 Journal Article %A N. V. Krylov %A G. V. Nosovskii %A M. V. Safonov %T Degeneracy domain of a nonlinearity in the Hamilton--Jacobi--Bellman equation with constant coefficients %J Matematičeskie zametki %D 1987 %P 685-690 %V 42 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1987_42_5_a7/ %G ru %F MZM_1987_42_5_a7