%0 Journal Article %A Bryan, Robert Neff %T Adjoint Interior-Point Boundary Conditions for Linear Differential Operators %J Canadian mathematical bulletin %D 1977 %P 447-450 %V 20 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1977-065-4/ %R 10.4153/CMB-1977-065-4 %F 10_4153_CMB_1977_065_4