@article{DAN_1969_188_5_a1,
     author = {M. S. Brodskii and L. E. Isaev},
     title = {Triangular representations of dissipative operators with resolvent of exponential type},
     journal = {Doklady Akademii Nauk},
     pages = {971--973},
     publisher = {mathdoc},
     volume = {188},
     number = {5},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_188_5_a1/}
}