@article{DE_1985_21_9_a20,
     author = {I. D. Evzerov},
     title = {Estimates of the resolvent and the domain of definition of fractional powers of abstract differential operators},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1616--1618},
     publisher = {mathdoc},
     volume = {21},
     number = {9},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1985_21_9_a20/}
}