%0 Journal Article
%A I. E. Sharkawi
%T Boundary value problems for linear differential equations of operators
%J Matematički vesnik
%D 1977
%P 279 
%V 29
%N 1
%U http://geodesic.mathdoc.fr/item/MV_1977_29_1_a31/
%F MV_1977_29_1_a31