@article{DAN_1972_205_5_a4,
     author = {M. L. Gorbachuk and A. N. Kochubei and M. A. Rybak},
     title = {Dissipative extensions of differential operators in a space of vector-functions},
     journal = {Doklady Akademii Nauk},
     pages = {1029--1032},
     publisher = {mathdoc},
     volume = {205},
     number = {5},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_205_5_a4/}
}