@article{MMO_1977_34_a1,
     author = {S. Yu. Rotfeld},
     title = {Asymptotic behavior of the spectrum of abstract integral operators},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {105--128},
     publisher = {mathdoc},
     volume = {34},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1977_34_a1/}
}