@article{DAN_1994_337_1_a1,
     author = {G. I. Aslanov},
     title = {Differential equations with unbounded operator coefficients in},
     journal = {Doklady Akademii Nauk},
     pages = {10--13},
     publisher = {mathdoc},
     volume = {337},
     number = {1},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1994_337_1_a1/}
}