@article{MT_1987_7_a7,
     author = {V. V. Ivanov},
     title = {Uniformly summable semigroups of operators. {I.} {Generation} of the semigroups},
     journal = {Matemati\v{c}eskie trudy},
     pages = {117--131},
     year = {1987},
     volume = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_1987_7_a7/}
}