@article{FAA_2010_44_4_a7,
     author = {A. V. Sobolev},
     title = {Quasi-Classical {Asymptotics} for {Pseudodifferential} {Operators} with {Discontinuous} {Symbols:} {Widom's} {Conjecture}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {86--90},
     publisher = {mathdoc},
     volume = {44},
     number = {4},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2010_44_4_a7/}
}