%0 Journal Article
%A M. G. Gasymov
%A R. T. Pashaev
%T On a fractional-linear pencil of differential operators of Sturm--Liouville type
%J Doklady Akademii Nauk
%D 1987
%P 1041-1044
%V 294
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1987_294_5_a2/
%G ru
%F DAN_1987_294_5_a2