@article{MMO_1978_36_a2,
     author = {G. V. Rozenblum},
     title = {Near-similarity of operators and the spectral asymptotic behavior of pseudodifferential operators on the circle},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {59--84},
     publisher = {mathdoc},
     volume = {36},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1978_36_a2/}
}