@article{FAA_2019_53_4_a8,
     author = {A. I. Karol'},
     title = {Asymptotics of the singular numbers for compact pseudodifferential operators with nonsmooth symbols with respect to spatial variables},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {89--92},
     publisher = {mathdoc},
     volume = {53},
     number = {4},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2019_53_4_a8/}
}