%0 Journal Article %A V. V. Katrakhov %T The method of transformation operators in the theory of general weighted boundary value problems for singular and degenerate elliptic equations with a parameter %J Doklady Akademii Nauk %D 1982 %P 1037-1040 %V 266 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_266_5_a1/ %G ru %F DAN_1982_266_5_a1