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@article{DAN_1980_250_2_a1, author = {V. V. Ivanov}, title = {Perturbation of uniformly summable semigroups of operators}, journal = {Doklady Akademii Nauk}, pages = {269--273}, publisher = {mathdoc}, volume = {250}, number = {2}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1980_250_2_a1/} }
V. V. Ivanov. Perturbation of uniformly summable semigroups of operators. Doklady Akademii Nauk, Tome 250 (1980) no. 2, pp. 269-273. http://geodesic.mathdoc.fr/item/DAN_1980_250_2_a1/