@article{DAN_1992_326_4_a3,
     author = {V. A. Kostin},
     title = {The {Cauchy} problem for an abstract differential equation with},
     journal = {Doklady Akademii Nauk},
     pages = {597--600},
     publisher = {mathdoc},
     volume = {326},
     number = {4},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1992_326_4_a3/}
}