%0 Journal Article %A G. Dzhangibekov %T Noethericity and the index of a class of two-dimensional singular %J Doklady Akademii Nauk %D 1990 %P 541-545 %V 313 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_313_3_a5/ %G ru %F DAN_1990_313_3_a5