@article{CMUC_1979__20_1_a17,
     author = {Brown, Richard C. and Tvrd\'y, Milan},
     title = {Generalized boundary value problems with abstract side conditions and their adjoints. {I.}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {1979},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1979__20_1_a17/}
}