%0 Journal Article %A Brown, Richard C. %A TvrdĂ˝, Milan %T Generalized boundary value problems with abstract side conditions and their adjoints. I %J Czechoslovak Mathematical Journal %D 1980 %P 7-27 %V 30 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1980.101651/ %R 10.21136/CMJ.1980.101651 %G en %F 10_21136_CMJ_1980_101651