%0 Journal Article %A A. V. Arutyunov %T Implicit-Function Theorem on the Cone in a Neighborhood of an Irregular Point %J Matematičeskie zametki %D 2005 %P 619-621 %V 78 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2005_78_4_a12/ %G ru %F MZM_2005_78_4_a12